MTG

Cowards can't block Warriors. {R}: Target creature becomes a Coward until end of turn. {2}{R}: Target creature becomes a Warrior until end of turn.

Flying When this creature leaves the battlefield, put target nonland permanent on top of its owner's library. Evoke {3}{U} (You may cast this spell...

Reveal cards from the top of your library until you reveal a land card. Put that card onto the battlefield and the rest on the bottom of your libra...

When this creature leaves the battlefield, it deals 6 damage to target creature. Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If yo...

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color....

You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you contro...

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color....

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end o...

Distribute four +1/+1 counters among up to four target creatures you control. Creatures you control gain vigilance and trample until end of turn.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end o...

Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.

This land enters tapped. {T}: Add {W}, {U}, or {B}.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters ...

Changeling (This card is every creature type.) When this creature enters, you may return target creature card from your graveyard to your hand.

Deathtouch

{U}, {T}, Discard a card: Counter target spell or ability that targets a creature.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

{T}: Target unblocked attacking creature becomes blocked. Activate only during combat after blockers are declared. (This ability works on creatures...

Whenever a creature you control deals combat damage, you gain that much life.

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

{1}{G}, {T}, Discard a card: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Exile target creature with power 2 or less. Its controller gains 4 life.

When this creature enters, each other player may put a creature card from their hand onto the battlefield.

Whenever a creature attacks you, it gets -1/-0 until end of turn.