Boxing Day

When this creature enters, create a 2/2 red Mutant creature token. Alliance — Whenever another creature you control enters, put a +1/+1 counter on ...

Alliance — Whenever another creature you control enters, Slash deals 2 damage to each opponent. Whenever Slash attacks, create a 2/2 red Mutant cre...

Alliance — Whenever another creature you control enters, Slash deals 2 damage to each opponent. Whenever Slash attacks, create a 2/2 red Mutant cre...

Menace Whenever Don & Raph attack, the next noncreature spell you cast this turn has affinity for artifacts. (It costs {1} less to cast for eac...

Whenever Bebop & Rocksteady attack or block, sacrifice a permanent unless you discard a card.

Whenever Bebop & Rocksteady attack or block, sacrifice a permanent unless you discard a card.

Flash When Renet enters, return each other nonland permanent that entered this turn to its owner's hand.

Whenever Krang & Shredder enter or attack, each opponent exiles cards from the top of their library until they exile a nonland card. Disappear ...

Menace (This creature can't be blocked except by two or more creatures.) Alliance — Whenever another creature you control enters, you may exile the...

Each creature you control with a counter on it can't be blocked by more than one creature. Whenever Michelangelo enters or attacks, create a Mutage...

Sneak {3}{W}{W} (You may cast this spell for {3}{W}{W} if you also return an unblocked attacker you control to hand during the declare blockers ste...

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn. • Put a +1/+1 counter on Lita. • Create a Fo...

{1}: Draw a card. Gain control of this creature and put a -1/-1 counter on it. Only your opponents may activate this ability and only as a sorcery....

When this creature enters, you may destroy target artifact or enchantment. Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it'...

Landfall — Whenever a land you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each...

{T}: Add {G}. Put a -1/-1 counter on this creature: Untap this creature.

When this creature enters, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from this creature: Add one mana of...

Reach When this creature enters, reveal the top five cards of your library. Put a land card from among them onto the battlefield and the rest into ...

This creature's power and toughness are each equal to the number of creatures you control.

When this creature enters, destroy target creature an opponent controls. You gain 3 life. Encore {6}{B}{B} ({6}{B}{B}, Exile this card from your gr...

Elemental permanent spells you cast from your hand gain evoke {4} as you cast them. (If you cast a spell for its evoke cost, it's sacrificed when i...

Elemental permanent spells you cast from your hand gain evoke {4} as you cast them. (If you cast a spell for its evoke cost, it's sacrificed when i...

As this creature enters, choose a color. All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their...