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

Vigilance {T}: Put a +1/+1 counter on each artifact creature and/or Vehicle you control. {2}, Remove two +1/+1 counters from among artifacts you co...

Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

Whenever 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. Un...

When The Spot enters, exile up to one target nonland permanent and up to one target nonland permanent card from a graveyard. When The Spot dies, pu...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Until your next turn, each creature attacks each comba...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Surveil 3. II — When you next cast a creature spell th...

As this land enters, choose a basic land type. Then you may pay 2 life. If you don't, it enters tapped. This land is the chosen type.

This land enters tapped. {T}: Add {G}, {W}, or {U}. {2}, Return a tapped creature you control to its owner's hand: Put this card from your hand ont...

As this land enters, choose a basic land type. Then you may pay 2 life. If you don't, it enters tapped. This land is the chosen type.

Mind Swap — You may have Superior Spider-Man enter as a copy of any creature card in a graveyard, except his name is Superior Spider-Man and he's a...

Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time....

This creature gets +X/+0, where X is the greatest mana value among other artifacts you control.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Destroy all creatures, then any number of target players each mill half their library, rounded down.

Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with...

When Infinite Guideline Station enters, create a tapped 2/2 colorless Robot artifact creature token for each multicolored permanent you control. St...

This creature's power is equal to the number of cards you own in exile and its toughness is equal to that number plus 1.

When this creature leaves the battlefield, draw a card, then you may put a permanent card with mana value less than or equal to the number of lands...

Whenever a nontoken artifact you control enters, create a colorless artifact token named Munitions with "When this token leaves the battlefield, it...

{T}, Sacrifice another artifact: Exile the top X cards of your library, where X is one plus the mana value of the sacrificed artifact. You may play...