Black Board Wipes

ECC

Decree of Pain Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle this card, all creatures get -2/-2 until end of turn.

Decree of Pain

DSC

In Garruk's Wake Destroy all creatures you don't control and all planeswalkers you don't control.

In Garruk's Wake

$3.21

CLB

Crux of Fate Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.

Crux of Fate

$4.10

C17

Archfiend of Depravity Flying At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

Archfiend of Depravity

$3.75

E01

Blood Money Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

Blood Money

$2.45

LCC

Massacre Girl Menace When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Massacre Girl

$0.47

DSC

Doomwake Giant Constellation — Whenever this creature or another enchantment you control enters, creatures your opponents control get -1/-1 until end of turn.

Doomwake Giant

SOC

Black Sun's Zenith Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Black Sun's Zenith

ECC

Crippling Fear Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Crippling Fear

$3.33

CMM

Liliana, Death's Majesty +1: Create a 2/2 black Zombie creature token. Mill two cards. −3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types. −7: Destroy all non-Zombie creatures.

Liliana, Death's Majesty

$0.46

MIC

Swarmyard Massacre Create two 1/1 green Squirrel creature tokens. Then each creature that isn't an Insect, Rat, Spider, or Squirrel gets -1/-1 until end of turn for each creature you control that's an Insect, Rat, Spider, or Squirrel.

Swarmyard Massacre

$4.11

BLC

Mutilate All creatures get -1/-1 until end of turn for each Swamp you control.

Mutilate

$1.99

GVL

Olivia's Wrath Each non-Vampire creature gets -X/-X until end of turn, where X is the number of Vampires you control.

Olivia's Wrath

$0.48

LCC

Liliana of the Veil +1: Each player discards a card. −2: Target player sacrifices a creature. −6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.

Liliana of the Veil

$6.86

INR

Nuclear Fallout Each creature gets twice -X/-X until end of turn. Each player gets X rad counters.

Nuclear Fallout

$3.22

PIP

Zombie Apocalypse Return all Zombie creature cards from your graveyard to the battlefield tapped, then destroy all Humans.

Zombie Apocalypse

$1.03

MIC

One Ring to Rule Them All (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — The Ring tempts you, then each player mills cards equal to your Ring-bearer's power. II — Destroy all nonlegendary creatures. III — Each opponent loses 1 life for each creature card in that player's graveyard.

One Ring to Rule Them All

$2.72

LTR

Necromantic Selection Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

Necromantic Selection

$0.32

TDC

Deadly Tempest Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

Deadly Tempest

$0.90

C21

Phyresis Outbreak Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.

Phyresis Outbreak

$12.92

ONC

Extinguish All Hope Destroy all nonenchantment creatures.

Extinguish All Hope

CMM

Final Act Choose one or more — • Destroy all creatures. • Destroy all planeswalkers. • Destroy all battles. • Exile all graveyards. • Each opponent loses all counters.

Final Act

SOC

Their Name Is Death Destroy all nonartifact creatures.

Their Name Is Death

$10.86

40K

Pestilence At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player.

Pestilence

$0.75

6ED

Season of Loss Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Each player sacrifices a creature of their choice. {P}{P} — Draw a card for each creature that died under your control this turn. {P}{P}{P} — Each opponent loses X life, where X is the number of creature cards in your graveyard.

Season of Loss

$1.64

BLB

Noxious Ghoul Whenever this creature or another Zombie enters, all non-Zombie creatures get -1/-1 until end of turn.

Noxious Ghoul

$5.10

HOP

Phyrexian Scriptures (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Put a +1/+1 counter on up to one target creature. That creature becomes an artifact in addition to its other types. II — Destroy all nonartifact creatures. III — Exile all opponents' graveyards.

Phyrexian Scriptures

$0.77

MOC

Mandate of Abaddon Choose target creature you control. Destroy all creatures with power less than that creature's power.

Mandate of Abaddon

$4.20

40K

Midnight Banshee Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Midnight Banshee

$0.31

ECC

Zodiark, Umbral God Indestructible When Zodiark enters, each player sacrifices half the non-God creatures they control of their choice, rounded down. Whenever a player sacrifices another creature, put a +1/+1 counter on Zodiark.

Zodiark, Umbral God

$0.59

FIN

Bringer of the Last Gift Flying When this creature enters, if you cast it, each player sacrifices all other creatures they control. Then each player returns all creature cards from their graveyard that weren't put there this way to the battlefield.

Bringer of the Last Gift

$0.54

LCI

Zenos yae Galvus // Shinryu, Transcendent Rival My First Friend — When Zenos yae Galvus enters, choose a creature an opponent controls. Until end of turn, creatures other than Zenos yae Galvus and the chosen creature get -2/-2. When the chosen creature leaves the battlefield, transform Zenos yae Galvus. // Flying As this creature transforms into Shinryu, choose an opponent. Burning Chains — When the chosen player loses the game, you win the game.

Zenos yae Galvus // Shinryu, Transcendent Rival

FIN

Soul Snuffers When this creature enters, put a -1/-1 counter on each creature.

Soul Snuffers

$0.28

ECC

Carnifex Demon Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

Carnifex Demon

ECC

Villainous Wrath Target opponent loses life equal to the number of creatures they control. Then destroy all creatures.

Villainous Wrath

$0.72

SPM

Make an Example Each opponent separates the creatures they control into two piles. For each opponent, you choose one of their piles. Each opponent sacrifices the creatures in their chosen pile. (Piles can be empty.)

Make an Example

$10.15

NCC

Crypt Rats {X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

Crypt Rats

$0.46

MH1

Heartless Conscription Exile all creatures. For each card exiled this way, you may play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. Exile Heartless Conscription.

Heartless Conscription

$2.57

OTC

Languish All creatures get -4/-4 until end of turn.

Languish

N/A

HOC

Killing Wave For each creature, its controller sacrifices it unless they pay X life.

Killing Wave

$0.37

INR

Scavenger Regent // Exude Toxin Flying Ward—Discard a card. // Each non-Dragon creature gets -X/-X until end of turn. (Then shuffle this card into its owner's library.)

Scavenger Regent // Exude Toxin

$0.57

TDM

Invasion of Fiora // Marchesa, Resolute Monarch (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When this Siege enters, choose one or both — • Destroy all legendary creatures. • Destroy all nonlegendary creatures. // Menace, deathtouch Whenever Marchesa attacks, remove all counters from up to one target permanent. At the beginning of your upkeep, if you haven't been dealt combat damage since your last turn, you draw a card and you lose 1 life.

Invasion of Fiora // Marchesa, Resolute Monarch

$0.78

MOM

Plague Wind Destroy all creatures you don't control. They can't be regenerated.

Plague Wind

$5.50

A25

Gix's Command Choose two — • Put two +1/+1 counters on up to one creature. It gains lifelink until end of turn. • Destroy each creature with power 2 or less. • Return up to two creature cards from your graveyard to your hand. • Each opponent sacrifices a creature with the greatest power among creatures they control.

Gix's Command

$0.57

BRO

Terror Tide Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Terror Tide

$0.31

LCI

Day of Black Sun Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.

Day of Black Sun

$0.91

TLA

Necrotic Hex Each player sacrifices six creatures of their choice. You create six tapped 2/2 black Zombie creature tokens.

Necrotic Hex

CMR

Cacophony Unleashed When this enchantment enters, if you cast it, destroy all nonenchantment creatures. Whenever this enchantment or another enchantment you control enters, until end of turn, this enchantment becomes a legendary 6/6 Nightmare God creature with menace and deathtouch. It's still an enchantment.

Cacophony Unleashed

$1.02

CMM

The Rise of Sozin // Fire Lord Sozin (As this Saga enters and after your draw step, add a lore counter.) I — Destroy all creatures. II — Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. Then that player shuffles. III — Exile this Saga, then return it to the battlefield transformed under your control. // Menace, firebending 3 (Whenever this creature attacks, add {R}{R}{R}. This mana lasts until end of combat.) Whenever Fire Lord Sozin deals combat damage to a player, you may pay {X}. When you do, put any number of target creature cards with total mana value X or less from that player's graveyard onto the battlefield under your control.

The Rise of Sozin // Fire Lord Sozin

$1.57

TLA

Deathbringer Regent Flying When this creature enters, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

Deathbringer Regent

$0.36

NCC

Plague Spitter At the beginning of your upkeep, this creature deals 1 damage to each creature and each player. When this creature dies, it deals 1 damage to each creature and each player.

Plague Spitter

$0.79

CLB

Blood on the Snow Choose one — • Destroy all creatures. • Destroy all planeswalkers. Then return a creature or planeswalker card with mana value X or less from your graveyard to the battlefield, where X is the amount of {S} spent to cast this spell. ({S} is mana from a snow source.)

Blood on the Snow

KHM

Zero Point Ballad Destroy all creatures with toughness X or less. You lose X life. If X is 6 or more, return a creature card put into a graveyard this way to the battlefield under your control.

Zero Point Ballad

$0.33

EOE

Tegwyll's Scouring You may cast this spell as though it had flash by tapping three untapped creatures you control with flying in addition to paying its other costs. Destroy all creatures. Create three 1/1 black Faerie Rogue creature tokens with flying.

Tegwyll's Scouring

$1.22

WOC

Primaris Eliminator When this creature enters, choose one — • Executioner Round — Destroy target creature. • Hyperfrag Round — Creatures target player controls get -2/-2 until end of turn.

Primaris Eliminator

$3.05

40K

Tip the Scales Sacrifice a creature. When you do, all creatures get -X/-X until end of turn, where X is the sacrificed creature's toughness.

Tip the Scales

$0.27

TDC

Terisiare's Devastation You lose X life and create X tapped Powerstone tokens. Then all creatures get -1/-1 until end of turn for each artifact you control. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Terisiare's Devastation

$0.36

BRC

Yahenni's Expertise All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost.

Yahenni's Expertise

$0.44

AER

Demon of Dark Schemes Flying When this creature enters, all other creatures get -2/-2 until end of turn. Whenever another creature dies, you get {E} (an energy counter). {2}{B}, Pay {E}{E}{E}{E}: Put target creature card from a graveyard onto the battlefield under your control tapped.

Demon of Dark Schemes

$1.50

KLD

Curse of Death's Hold Enchant player Creatures enchanted player controls get -1/-1.

Curse of Death's Hold

$0.91

ISD

Let's Play a Game Delirium — Choose one. If there are four or more card types among cards in your graveyard, choose one or more instead. • Creatures your opponents control get -1/-1 until end of turn. • Each opponent discards two cards. • Each opponent loses 3 life and you gain 3 life.

Let's Play a Game

DSK

Bane of the Living Morph {X}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, all creatures get -X/-X until end of turn.

Bane of the Living

C19

Kaervek, the Spiteful Other creatures get -1/-1.

Kaervek, the Spiteful

$0.29

M21

Game Over This spell costs {2} less to cast if a player's life total is less than or equal to half their starting life total. Destroy all creatures.

Game Over

$0.44

TMC

Overwhelming Forces Destroy all creatures target opponent controls. Draw a card for each creature destroyed this way.

Overwhelming Forces

$89.99

PTK

The Black Breath Creatures your opponents control get -1/-1 until end of turn. The Ring tempts you.

The Black Breath

LTR

Gruesome Realization Choose one — • You draw two cards and you lose 2 life. • Creatures your opponents control get -1/-1 until end of turn.

Gruesome Realization

BRO

Deluge of Doom All creatures get -X/-X until end of turn, where X is the number of card types among cards in your graveyard.

Deluge of Doom

$0.29

DSC

Pestilence Demon Flying {B}: This creature deals 1 damage to each creature and each player.

Pestilence Demon

$0.59

DDR

Extinction Event Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)

Extinction Event

$0.37

IKO

Night of Souls' Betrayal All creatures get -1/-1.

Night of Souls' Betrayal

$1.97

IMA

M.O.D.O.K. Flying, lifelink Mental Organism — Pay 3 life: M.O.D.O.K. connives. Activate only during your turn. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) Designed Only for Killing — Creatures your opponents control get -1/-1.

M.O.D.O.K.

$4.87

MSH

Death Cloud Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.

Death Cloud

$4.00

MMA

Dead of Winter All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.

Dead of Winter

MH1

Nightmare Unmaking Choose one — • Exile each creature with power greater than the number of cards in your hand. • Exile each creature with power less than the number of cards in your hand.

Nightmare Unmaking

NCC

Deadly Cover-Up As an additional cost to cast this spell, you may collect evidence 6. Destroy all creatures. If evidence was collected, exile a card from an opponent's graveyard. Then search its owner's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

Deadly Cover-Up

$0.40

MKM

Reiver Demon Flying When this creature enters, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Reiver Demon

$0.84

CMA

Darkness Descends Put two -1/-1 counters on each creature.

Darkness Descends

ECL

Withering Curse All creatures get -2/-2 until end of turn. Infusion — If you gained life this turn, destroy all creatures instead.

Withering Curse

$0.96

SOS

Life's Finale Destroy all creatures, then search target opponent's library for up to three creature cards and put them into their graveyard. Then that player shuffles.

Life's Finale

$1.66

NPH

Pox Plague Each player loses half their life, then discards half the cards in their hand, then sacrifices half the permanents they control of their choice. Round down each time.

Pox Plague

$0.31

SOS

Swift Demise Swift Demise deals 1 damage to target creature. Then destroy each creature you don't control that was dealt damage this turn.

Swift Demise

$0.28

TMC

Massacre If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn.

Massacre

$1.97

NEM

Ascendant Evincar Flying (This creature can't be blocked except by creatures with flying or reach.) Other black creatures get +1/+1. Nonblack creatures get -1/-1.

Ascendant Evincar

$3.01

HOP

Wail of the Nim Choose one — • Regenerate each creature you control. • Wail of the Nim deals 1 damage to each creature and each player. Entwine {B} (Choose both if you pay the entwine cost.)

Wail of the Nim

$0.28

MRD

Bite of the Black Rose Will of the council — Starting with you, each player votes for sickness or psychosis. If sickness gets more votes, creatures your opponents control get -2/-2 until end of turn. If psychosis gets more votes or the vote is tied, each opponent discards two cards.

Bite of the Black Rose

$0.48

CNS

Eyeblight Massacre Non-Elf creatures get -2/-2 until end of turn.

Eyeblight Massacre

$0.16

KHC

Blight Grenade Destroy target creature. All creatures get -3/-3 until end of turn.

Blight Grenade

$0.45

40K

Choice of Damnations Target opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents of their choice.

Choice of Damnations

$18.61

SOK

Bontu's Last Reckoning Destroy all creatures. Lands you control don't untap during your next untap step.

Bontu's Last Reckoning

$0.55

HOU

Elvish Dreadlord Deathtouch When this creature dies, non-Elf creatures get -3/-3 until end of turn. Encore {5}{B}{B} ({5}{B}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Elvish Dreadlord

$0.33

CMR

Bloodline Culling Choose one — • Target creature gets -5/-5 until end of turn. • Creature tokens get -2/-2 until end of turn.

Bloodline Culling

MID

Dread Cacodemon When this creature enters, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control.

Dread Cacodemon

$4.24

CMA

Poison the Waters Choose one — • All creatures get -1/-1 until end of turn. • Target player reveals their hand. You choose an artifact or creature card from it. That player discards that card.

Poison the Waters

$0.15

FIN

Night Clubber When this creature enters, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Night Clubber

SNC

Curse of the Cabal Target player sacrifices half the permanents they control of their choice, rounded down. Suspend 2—{2}{B}{B} (Rather than cast this card from your hand, you may pay {2}{B}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) At the beginning of each player's upkeep, if this card is suspended, that player may sacrifice a permanent of their choice. If the player does, put two time counters on this card.

Curse of the Cabal

$2.76

TSP

Essence Pulse You gain 2 life. Each creature gets -X/-X until end of turn, where X is the amount of life you gained this turn.

Essence Pulse

$0.33

C21

Do or Die Separate all creatures target player controls into two piles. Destroy all creatures in the pile of that player's choice. They can't be regenerated.

Do or Die

$8.18

INV

Harbinger of Night At the beginning of your upkeep, put a -1/-1 counter on each creature.

Harbinger of Night

$30.63

MIR

Harvester of Misery Menace When this creature enters, other creatures get -2/-2 until end of turn. {1}{B}, Discard this card: Target creature gets -2/-2 until end of turn.

Harvester of Misery

$2.28

BIG

Illness in the Ranks Creature tokens get -1/-1.

Illness in the Ranks

GTC

Seeker's Folly Choose one — • Target opponent discards two cards. • Creatures your opponents control get -1/-1 until end of turn.

Seeker's Folly

$0.13

FDN

Liliana's Influence Put a -1/-1 counter on each creature you don't control. You may search your library and/or graveyard for a card named Liliana, Death Wielder, reveal it, and put it into your hand. If you search your library this way, shuffle.

Liliana's Influence

$0.32

AKH

Wail of War Choose one — • Creatures target opponent controls get -1/-1 until end of turn. • Return up to two target creature cards from your graveyard to your hand.

Wail of War

TDM

Noxious Field Enchant land Enchanted land has "{T}: This land deals 1 damage to each creature and each player."

Noxious Field

$1.50

PCY

Sickening Dreams As an additional cost to cast this spell, discard X cards. Sickening Dreams deals X damage to each creature and each player.

Sickening Dreams

$1.26

TOR

Living End Suspend 3—{2}{B}{B} Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Living End

$5.24

TSR

Suffocating Fumes Creatures your opponents control get -1/-1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Suffocating Fumes

$0.17

IKO

Feast of Succession All creatures get -4/-4 until end of turn. You become the monarch.

Feast of Succession

CMM

Make Obsolete Creatures your opponents control get -1/-1 until end of turn.

Make Obsolete

$0.11

KLD

Archfiend of Sorrows Flying When this creature enters, creatures your opponents control get -2/-2 until end of turn. Unearth {3}{B}{B} ({3}{B}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Archfiend of Sorrows

$0.22

MH2

Last Laugh Whenever a permanent other than this enchantment is put into a graveyard from the battlefield, this enchantment deals 1 damage to each creature and each player. When no creatures are on the battlefield, sacrifice this enchantment.

Last Laugh

$3.91

TOR

Cower in Fear Creatures your opponents control get -1/-1 until end of turn.

Cower in Fear

$0.13

MM3

Plague Mare This creature can't be blocked by white creatures. When this creature enters, creatures your opponents control get -1/-1 until end of turn.

Plague Mare

M19

Sandman's Quicksand Mayhem {3}{B} (You may cast this card from your graveyard for {3}{B} if you discarded it this turn. Timing rules still apply.) All creatures get -2/-2 until end of turn. If this spell's mayhem cost was paid, creatures your opponents control get -2/-2 until end of turn instead.

Sandman's Quicksand

SPM

Biting Rain All creatures get -2/-2 until end of turn. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Biting Rain

$0.12

SOI

Necroplasm At the beginning of your upkeep, put a +1/+1 counter on this creature. At the beginning of your end step, destroy each creature with mana value equal to the number of +1/+1 counters on this creature. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Necroplasm

$0.91

CM2

Night Incarnate Deathtouch When this creature leaves the battlefield, all creatures get -3/-3 until end of turn. Evoke {3}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Night Incarnate

$0.53

C18

Spreading Plague Whenever a creature enters, destroy all other creatures that share a color with it. They can't be regenerated.

Spreading Plague

$11.95

INV

Cloudkill All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.

Cloudkill

$0.23

CLB

Shefet Archfiend Flying When this creature enters, all other creatures get -2/-2 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Shefet Archfiend

$0.18

DFT

Ruinous Waterbending As an additional cost to cast this spell, you may waterbend {4}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) All creatures get -2/-2 until end of turn. If this spell's additional cost was paid, whenever a creature dies this turn, you gain 1 life.

Ruinous Waterbending

$0.22

TLA

Ritual of Soot Destroy all creatures with mana value 3 or less.

Ritual of Soot

GRN

Neutralize the Guards Creatures target opponent controls get -1/-1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Neutralize the Guards

$0.15

OTJ

Nausea All creatures get -1/-1 until end of turn.

Nausea

$0.13

EMA

Inner Demon Enchant creature Enchanted creature gets +2/+2, has flying, and is a Demon in addition to its other types. When this Aura enters, all non-Demon creatures get -2/-2 until end of turn.

Inner Demon

$0.27

BBD

Death-Rattle Oni Flash This spell costs {2} less to cast for each creature that died this turn. When this creature enters, destroy all other creatures that were dealt damage this turn.

Death-Rattle Oni

$0.18

MAT

Hythonia the Cruel Deathtouch {6}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Hythonia becomes monstrous, destroy all non-Gorgon creatures.

Hythonia the Cruel

THS

Shrivel All creatures get -1/-1 until end of turn.

Shrivel

$0.10

MM2

Golden Demise Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) All creatures get -2/-2 until end of turn. If you have the city's blessing, instead only creatures your opponents control get -2/-2 until end of turn.

Golden Demise

RIX

Kagemaro, First to Suffer Kagemaro's power and toughness are each equal to the number of cards in your hand. {B}, Sacrifice Kagemaro: All creatures get -X/-X until end of turn, where X is the number of cards in your hand.

Kagemaro, First to Suffer

$2.58

SOK

Psychotic Haze Psychotic Haze deals 1 damage to each creature and each player. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Psychotic Haze

TOR

Malicious Eclipse All creatures get -2/-2 until end of turn. If a creature an opponent controls would die this turn, exile it instead.

Malicious Eclipse

LCI

Drown in Sorrow All creatures get -2/-2 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Drown in Sorrow

CMM

Consume the Meek Destroy each creature with mana value 3 or less. They can't be regenerated.

Consume the Meek

DDP

Arms of Hadar Creatures target player controls get -2/-2 until end of turn.

Arms of Hadar

CLB

Mephitic Vapors All creatures get -1/-1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Mephitic Vapors

RVR

Sphere of Annihilation This artifact enters with X void counters on it. At the beginning of your upkeep, exile this artifact, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

Sphere of Annihilation

AFR

Thrashing Wumpus {B}: This creature deals 1 damage to each creature and each player.

Thrashing Wumpus

$0.89

MMQ

Season of the Witch At the beginning of your upkeep, sacrifice this enchantment unless you pay 2 life. At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.

Season of the Witch

$24.38

DRK

Glistening Deluge All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn.

Glistening Deluge

MOM

Extinction Destroy all creatures of the creature type of your choice.

Extinction

$0.86

TMP

Drag to the Bottom Domain — Each creature gets -X/-X until end of turn, where X is 1 plus the number of basic land types among lands you control.

Drag to the Bottom

$0.23

DMU

Withering Wisps At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {B}: This enchantment deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.

Withering Wisps

ICE

Infest All creatures get -2/-2 until end of turn.

Infest

CLU

Dry Spell Dry Spell deals 1 damage to each creature and each player.

Dry Spell

6ED

Havoc Demon Flying When this creature dies, all creatures get -5/-5 until end of turn.

Havoc Demon

EMA

Witch's Vengeance Creatures of the creature type of your choice get -3/-3 until end of turn.

Witch's Vengeance

$0.32

ELD

Festergloom Nonblack creatures get -1/-1 until end of turn.

Festergloom

$0.06

CN2

Infected Vermin {2}{B}: This creature deals 1 damage to each creature and each player. Threshold — {3}{B}: This creature deals 3 damage to each creature and each player. Activate only if there are seven or more cards in your graveyard.

Infected Vermin

$0.42

ODY

Death's-Head Buzzard Flying When this creature dies, all creatures get -1/-1 until end of turn.

Death's-Head Buzzard

$0.08

A25

Conductor of Cacophony This creature enters with two +1/+1 counters on it. {B}, Remove a +1/+1 counter from this creature: It deals 1 damage to each other creature and each player.

Conductor of Cacophony

$0.18

J22

Festering March Creatures your opponents control get -1/-1 until end of turn. Exile Festering March with three time counters on it. Suspend 3—{2}{B} (Rather than cast this card from your hand, you may pay {2}{B} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Festering March

$0.16

FUT

Malicious Malfunction All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.

Malicious Malfunction

$0.16

NEO

Specter of Mortality Flying When this creature enters, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Specter of Mortality

WOE

Urborg Justice Target opponent sacrifices a creature of their choice for each creature put into your graveyard from the battlefield this turn.

Urborg Justice

$3.22

WTH

Shadows' Verdict Exile all creatures and planeswalkers with mana value 3 or less from the battlefield and all creature and planeswalker cards with mana value 3 or less from all graveyards.

Shadows' Verdict

ZNR

Perish Destroy all green creatures. They can't be regenerated.

Perish

$0.41

6ED

Cry of the Carnarium All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead.

Cry of the Carnarium

$0.10

RNA

Tsabo's Decree Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

Tsabo's Decree

$1.37

INV

Festering Evil At the beginning of your upkeep, this enchantment deals 1 damage to each creature and each player. {B}{B}, Sacrifice this enchantment: It deals 3 damage to each creature and each player.

Festering Evil

WTH

Rancid Earth Destroy target land. Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Rancid Earth

$0.23

TOR

Forced March Destroy all creatures with mana value X or less.

Forced March

$0.96

MMQ

Festercreep This creature enters with a +1/+1 counter on it. {1}{B}, Remove a +1/+1 counter from this creature: All other creatures get -1/-1 until end of turn.

Festercreep

$0.27

CM2

Evincar's Justice Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Evincar's Justice deals 2 damage to each creature and each player.

Evincar's Justice