Whenever you attack, target attacking Vampire that isn't a Demon becomes a Demon in addition to its other types. It gains "When this creature dies, draw a card and create a tapped 4/3 white and black Vampire Demon creature token with flying."

, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

Berserk — When Clay Golem becomes monstrous, destroy target permanent.

Clay Revenant enters tapped.

: Return Clay Revenant from your graveyard to your hand.

When Cleanup Crew enters, choose one —

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

• You gain 4 life.

, , Sacrifice another Zombie: Create two tokens that are copies of the sacrificed creature.

Flash

Kicker (You may pay an additional as you cast this spell.)

Flying

When Cleaving Skyrider enters, if it was kicked, it deals X damage to any target, where X is the number of attacking creatures.

Vigilance

Whenever Clement, the Worrywort or another creature you control enters, return up to one target creature you control with lesser mana value to its owner's hand.

Frogs you control have ": Add or . Spend this mana only to cast a creature spell."

: Prevent the next 1 damage that would be dealt to any target this turn.

Whenever Cleric of Chill Depths blocks a creature, that creature doesn't untap during its controller's next untap step.

When Cleric of the Forward Order enters, you gain 2 life for each creature you control named Cleric of the Forward Order.

You may have Clever Impersonator enter as a copy of any nonland permanent on the battlefield.

Haste

Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Cliffrunner Behemoth has haste as long as you control a red permanent.

Cliffrunner Behemoth has lifelink as long as you control a white permanent.

Vigilance

, Sacrifice Cliffside Rescuer: Target permanent you control gains protection from each of your opponents until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.)

Defender

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

Flash (You may cast this spell any time you could cast an instant.)

Flying

When Clocknapper enters, choose beginning phase, first main phase, combat phase, postcombat main phase, or ending phase. Steal that phase from target player during their next turn. (That phase occurs as though it's your turn instead.)

Clockwork Beast enters with seven +1/+0 counters on it.

At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.

Flying

Clockwork Condor enters with three +1/+1 counters on it.

Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Defender

, : Tap target creature.

When Clockwork Fox leaves the battlefield, you draw two cards and each opponent draws a card.

Clockwork Hydra enters with four +1/+1 counters on it.

Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. If you do, Clockwork Hydra deals 1 damage to any target.

: Put a +1/+1 counter on Clockwork Hydra.

Adamant — When Clockwork Servant enters, if at least three mana of the same color was spent to cast it, draw a card.

Clockwork Swarm enters with four +1/+0 counters on it.

Clockwork Swarm can't be blocked by Walls.

At end of combat, if Clockwork Swarm attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Swarm. This ability can't cause the total number of +1/+0 counters on Clockwork Swarm to be greater than four. Activate only during your upkeep.

When Cloister Gargoyle enters, venture into the dungeon. (Enter the first room or advance to the next room.)

As long as you've completed a dungeon, Cloister Gargoyle gets +3/+0 and has flying.

You may have Clone enter as a copy of any creature on the battlefield.

Imprint — When Clone Shell enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Flying

First strike (This creature deals combat damage before creatures without first strike.)

Flying

Cloud Dragon can block only creatures with flying.

Flying

Flying

Cloud Pirates can block only creatures with flying.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Cloud Sprite can block only creatures with flying.

Flying

When Cloudchaser Eagle enters, destroy target enchantment.

Reach (This creature can block creatures with flying.)

When Cloudgoat Ranger enters, create three 1/1 white Kithkin Soldier creature tokens.

Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.

Flying

Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Reach

Whenever this creature mutates, you may discard a card. If you do, draw a card.

Flying

When Cloudreader Sphinx enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Sliver creatures you control have flying and haste.

Flying

Equipped creature has flying and "You can't lose the game and your opponents can't win the game."

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

, Sacrifice Coal Golem: Add .

: Coalborn Entity deals 1 damage to target creature token, player, or planeswalker.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Trample

Defender

Coastal Bulwark gets +2/+0 as long as you control an Island.

, : Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Sacrifice a land: Coastal Hornclaw gains flying until end of turn.

Flying

: Coastline Chimera can block an additional creature this turn.

Descend 4 — When Coati Scavenger enters, if there are four or more permanent cards in your graveyard, return target permanent card from your graveyard to your hand.