As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

Arcane Sanctum enters the battlefield tapped.

: Add , , or .

Equipped creature gets +2/+2, has haste, can't attack you or planeswalkers you control, and can't be sacrificed.

At the beginning of each opponent's upkeep, you may have that player gain control of equipped creature until end of turn. If you do, untap it.

Equip

This spell costs less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Flying, trample

Whenever Bloodthirster deals combat damage to a player, untap it. After this phase, there is an additional combat phase.

Bloodthirster can't attack a player it has already attacked this turn.

Lord of Chaos — At the beginning of combat on your turn, another target creature you control gains double strike until end of turn.

: Add one mana of any color in your commander's color identity.

When Defenders of Humanity enters the battlefield, create X 2/2 white Astartes Warrior creature tokens with vigilance.

, Exile Defenders of Humanity: Create X 2/2 white Astartes Warrior creature tokens with vigilance. Activate only if you control no creatures and only during your turn.

Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures.

Nonland permanents your opponents control lose indestructible until end of turn.

Destroy all nonland permanents.

Genestealer's Kiss — Whenever Genestealer Patriarch attacks, put an infection counter on target creature defending player controls.

Children of the Cult — Whenever a creature with an infection counter on it dies, you create a token that's a copy of that creature, except it's a Tyranid in addition to its other types.

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Trample

Rapid-fire Battle Cannon — When Knight Paladin enters the battlefield, it deals 4 damage to each opponent.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Strive — This spell costs more to cast for each target beyond the first.

Until end of turn, any number of target creatures each gain "Whenever this creature attacks, create a 1/1 white Soldier creature token that's tapped and attacking."

Flying, ward

Architect of Deception — When Lord of Change enters the battlefield, draw three cards.

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

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

At the beginning of your upkeep, put two eon counters on Out of the Tombs, then mill cards equal to the number of eon counters on it.

If you would draw a card while your library has no cards in it, instead return a creature card from your graveyard to the battlefield. If you can't, you lose the game.

Flying

Rot Fly — If an opponent would gain life, that player loses that much life instead.

Purestrain Genestealer enters the battlefield with two +1/+1 counters on it.

Vanguard Species — Whenever Purestrain Genestealer attacks, you may remove a +1/+1 counter from it. If you do, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flash

Elite Troops — Sautekh Immortal enters the battlefield with a +1/+1 counter on it for each creature that died this turn.

Flash

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Benediction of the Omnissiah — When Sicarian Infiltrator enters the battlefield, draw a card.

Flash

Psychic Abomination — When Sister of Silence enters the battlefield, counter target instant spell, sorcery spell, activated ability, or triggered ability.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Grav-cannon — When Space Marine Devastator enters the battlefield, destroy up to one target artifact or enchantment.

Lifelink

The Seven-fold Chant — At the beginning of your end step, if a creature died this turn, you draw a card and you lose 1 life. If seven or more creatures died this turn, instead you draw seven cards and you lose 7 life.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1.

A Thousand Souls Die Every Day — , Sacrifice a creature: Add three mana in any combination of colors.

Flying

When Thunderhawk Gunship enters the battlefield, create two 2/2 white Astartes Warrior creature tokens with vigilance.

Whenever Thunderhawk Gunship attacks, attacking creatures you control gain flying until end of turn.

Crew 2

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Other creatures you control get +1/+1.