Ioreth of the Healing House{T}: Untap another target permanent.
{T}: Untap two other target legendary creatures.
Ioreth of the Healing House
Astral DragonFlying
Project Image — When this creature enters, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.
Astral Dragon
Vizier of Tumbling Sands{T}: Untap another target permanent.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
When you cycle this card, untap target permanent.
Vizier of Tumbling Sands
Kelpie Guide{T}: Untap another target permanent you control.
{T}: Tap target permanent. Activate only if you control eight or more lands.
Kelpie Guide
Deranged Assistant{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)
Deranged Assistant
Omen Hawker{T}: Add {C}{U}. Spend this mana only to activate abilities.
Omen Hawker
Vedalken Engineer{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.
Vedalken Engineer
Fatestitcher{T}: You may tap or untap another target permanent.
Unearth {U} ({U}: 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.)
Fatestitcher
Chief EngineerArtifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for {1} or one mana of that creature's color.)
Chief Engineer
Grand ArchitectOther blue creatures you control get +1/+1.
{U}: Target artifact creature becomes blue until end of turn.
Tap an untapped blue creature you control: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts.
Grand Architect
Forensic Researcher{T}: Untap another target permanent you control.
{T}, Collect evidence 3: Tap target creature you don't control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)
Forensic Researcher
James, Wandering Dad // Follow Him{T}: Add {C}{C}. Spend this mana only to activate abilities. // Investigate X times. (Then exile this card. You may cast the creature later from exile.)
James, Wandering Dad // Follow Him
Nimbleclaw AdeptBigby's Hand — {T}: Untap two other target permanents. Activate only as a sorcery and only once each turn.
Nimbleclaw Adept
North Pole Patrol{T}: Untap another target permanent you control.
Waterbend {3}, {T}: Tap target creature an opponent controls. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)
North Pole Patrol
Curious Homunculus // Voracious Reader{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.
At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform this creature. // Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Instant and sorcery spells you cast cost {1} less to cast.
Curious Homunculus // Voracious Reader
Steelswarm OperatorFlying
{T}: Add {U}. Spend this mana only to cast an artifact spell.
{T}: Add {U}{U}. Spend this mana only to activate abilities of artifact sources.
Steelswarm Operator
Clever ConjurerMage Hand — {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.
Clever Conjurer
Apprentice Wizard{U}, {T}: Add {C}{C}{C}.
Apprentice Wizard
Oaken SirenFlying, vigilance
{T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source.
Oaken Siren
Guidelight Optimizer{T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability.
Guidelight Optimizer
Hydro-Man, Fluid FelonWhenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn.
At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains "{T}: Add {U}." (He's not a creature during that time.)
Hydro-Man, Fluid Felon
Urza, Powerstone ProdigyVigilance
{1}, {T}: Draw a card, then discard a card.
Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
Urza, Powerstone Prodigy
Osgood, Operation DoubleWhen you cast this spell, create a token that's a copy of it, except it isn't legendary.
{T}: Add {C}. Spend this mana only to cast an artifact spell or activate an ability of an artifact.
Paradox — Whenever you cast a spell from anywhere other than your hand, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Osgood, Operation Double
Vhal, Candlekeep ResearcherVigilance
{T}: Add an amount of {C} equal to Vhal's toughness. This mana can't be spent to cast spells from your hand.
Choose a Background (You can have a Background as a second commander.)
Vhal, Candlekeep Researcher
Hydro-Channeler{T}: Add {U}. Spend this mana only to cast an instant or sorcery spell.
{1}, {T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.
Hydro-Channeler
Volshe Tideturner{T}: Add {U}. Spend this mana only to cast an instant or sorcery spell or a kicked spell.
Volshe Tideturner
Sea Scryer{T}: Add {C}.
{1}, {T}: Add {U}.
Sea Scryer
Renowned Weaponsmith{T}: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts.
{U}, {T}: Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.
Renowned Weaponsmith
Pelargir Survivor{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.
{5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.)
Pelargir Survivor
Karfell Harbinger{T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.
Karfell Harbinger
Creeping Peeper{T}: Add {U}. Spend this mana only to cast an enchantment spell, unlock a door, or turn a permanent face up.
Creeping Peeper
Nardole, Resourceful Cyborg{T}: Add {U} for each counter on Nardole. Spend this mana only to cast noncreature spells.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Doctor's companion (You can have two commanders if the other is the Doctor.)
Nardole, Resourceful Cyborg
Geology EnthusiastAt the beginning of your end step, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
{6}: Draw a card and put a +1/+1 counter on this creature.
Geology Enthusiast
Vodalian Arcanist{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell.
Vodalian Arcanist
Unblinking Observer{T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.
Unblinking Observer
Tidewater MinionDefender (This creature can't attack.)
{4}: This creature loses defender until end of turn.
{T}: Untap target permanent.
Tidewater Minion
Cultivator DroneDevoid (This card has no color.)
{T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.)
Cultivator Drone
Hydraulic HelperDefender
{T}: Add {U}. This mana can't be spent to cast a nonartifact spell.
Hydraulic Helper
Sage of the Unknowable{T}: Add {C}. Spend this mana only to cast a colorless spell or to activate an ability.
Sage of the Unknowable
Immortus, Master of Eternity{T}: Add {U} for each card you've drawn this turn. Spend this mana only to cast noncreature spells.
Power-up — {5}{U}{U}: Each player shuffles their hand and graveyard into their library, then draws seven cards. Put a +1/+1 counter on Immortus. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)
Immortus, Master of Eternity
Qarsi Deceiver{T}: Add {C}. Spend this mana only to cast a face-down creature spell, pay a mana cost to turn a manifested creature face up, or pay a morph cost. (A megamorph cost is a morph cost.)
Qarsi Deceiver
Koilos RocFlash
Flying
When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
Koilos Roc
Soldevi Machinist{T}: Add {C}{C}. Spend this mana only to activate abilities of artifacts.
Soldevi Machinist
Benthic Explorers{T}, Untap a tapped land an opponent controls: Add one mana of any type that land could produce.