Whenever an opponent shuffles their library, you may put a +1/+1 counter on Cosi's Trickster.

Trample

At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands.

When Council of Advisors enters, draw a card.

Will of the council — Starting with you, each player votes for a nonland permanent you don't control. Exile each permanent with the most votes or tied for most votes.

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.

This spell can't be countered.

Counter target spell you don't control.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Counter target spell.

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.

Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Countryside Crusher.

, , Sacrifice Courier's Capsule: Draw two cards.

Create a 3/3 green Centaur creature token, then populate. (Create a token that's a copy of a creature token you control.)

Court Homunculus gets +1/+1 as long as you control another artifact.

Whenever another white creature you control enters, tap target creature an opponent controls.

Reveal the top three cards of your library. Target opponent may choose to put those cards into your hand. If they don't, put those cards into your graveyard and draw five cards.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. can be paid with one mana from a snow source.)

If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on Cover of Winter.

: Put an age counter on Cover of Winter.

Flying

When you control no artifacts, sacrifice Covetous Dragon.

Enchant creature

Enchanted creature can't attack or block unless its controller pays for each card in your hand.

Enchant creature

: Untap enchanted creature.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Each player sacrifices a permanent of their choice.

, , Tap two untapped red creatures you control: Crackleburr deals 3 damage to any target.

, , Untap two tapped blue creatures you control: Return target creature to its owner's hand. ( is the untap symbol.)

Tap an untapped Gate you control: Crackling Perimeter deals 1 damage to each opponent.

Trample

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Destroy target nonblack creature that entered this turn.

: Switch Crag Puca's power and toughness until end of turn.

When Cragganwick Cremator enters, discard a card at random. If you discard a creature card this way, Cragganwick Cremator deals damage equal to that card's power to target player or planeswalker.

Equipped creature gets +1/+0 for each artifact you control.

: Attach Cranial Plating to target creature you control.

Equip

Target creature with flying loses flying until end of turn. Crash Landing deals damage to that creature equal to the number of Forests you control.

Whenever Crashing Boars attacks, defending player chooses an untapped creature they control. That creature blocks Crashing Boars this turn if able.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Crater Hellion enters, it deals 4 damage to each other creature.

Destroy target land.

Craven Knight can't block.

No more than two creatures can attack you each combat.

When Crazed Firecat enters, flip a coin until you lose a flip. Put a +1/+1 counter on Crazed Firecat for each flip you won.

Flying, haste

Other black creatures you control get +1/+1.

Other green creatures you control get +1/+1.

At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

Enchant creature

When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.

, , Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.

Destroy target artifact, enchantment, or land.

Creeping Tar Pit enters tapped.

: Add or .

: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

Exile target card from a graveyard.

Draw a card.

At the beginning of each upkeep, put a strife counter on Crescendo of War.

Attacking creatures get +1/+0 for each strife counter on Crescendo of War.

Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.

Creatures with mountainwalk can be blocked as though they didn't have mountainwalk.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

Flying

, : Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

: Target creature you control gains haste until end of turn. (It can attack and this turn.)

Crimson Muckwader gets +1/+1 as long as you control a Swamp.

: Regenerate Crimson Muckwader. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Target creature becomes red and gains haste until end of turn. (It can attack and this turn.)

Draw a card.

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

Reach (This creature can block creatures with flying.)

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)