Boxing Day

When Michelangelo enters, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. A...

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 you put a counter on a creature you control, draw a card. This ability triggers only once each turn.

At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures.

Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn.

Ward {2} You may look at the top card of your library any time. You may play lands and cast Mutant, Ninja, or Turtle spells from the top of your li...

(Gain the next level as a sorcery to add its ability.) Whenever you attack, put a +1/+1 counter on target attacking creature. {2}{W}: Level 2 Whene...

Trample Leatherhead enters with a hexproof counter on her. Whenever Leatherhead deals combat damage to a player, you may remove a counter from her....

Sneak {1}{R}{R} (You may cast this spell for {1}{R}{R} if you also return an unblocked attacker you control to hand during the declare blockers ste...

When this creature enters, you may discard a card. If you do, search your library for a creature card, reveal it, put it into your hand, then shuff...

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

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

Choose two — • Create a token that's a copy of target Elf you control. • Return one or two target permanent cards from your graveyard to your hand....

Choose two — • Create a token that's a copy of target Merfolk you control. • Creatures target player controls gain lifelink until end of turn. • Ta...

Choose two — • Create a token that's a copy of target Kithkin you control. • Target player creates a 1/1 green and white Kithkin creature token. • ...

Affinity for Forests (This spell costs {1} less to cast for each Forest you control.) Landfall — Whenever a land you control enters, create a 3/4 g...

Affinity for Forests (This spell costs {1} less to cast for each Forest you control.) Landfall — Whenever a land you control enters, create a 3/4 g...

Trample, ward {2} This creature enters with five -1/-1 counters on it. Whenever another creature you control enters while this creature has a -1/-1...

At the beginning of your first main phase, you may blight 1. If you do, create a Treasure token. (To blight 1, put a -1/-1 counter on a creature yo...

All creatures have haste. Whenever a player taps a basic land for mana, that player adds one mana of any type that land produced.

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on t...

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on t...

This spell costs {X} less to cast, where X is the greatest mana value among Elementals you control. Flying When this creature enters, if you cast i...

Flying This creature enters with a -1/-1 counter on it. {2}{U}, Remove a counter from this creature: Whenever a creature you control deals combat d...