Defender (This creature can't attack.)

When Coral Barrier enters the battlefield, create a 1/1 blue Squid creature token with islandwalk. (It can't be blocked as long as defending player controls an Island.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Coral Trickster is turned face up, you may tap or untap target permanent.

: Target creature can't be blocked this turn.

Haste

, : Add . Spend this mana only to cast instant and/or sorcery spells.

When Cormela, Glamour Thief dies, return up to one target instant or sorcery card from your graveyard to your hand.

Target creature you control gains myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

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

When Corpse Connoisseur enters the battlefield, you may search your library for a creature card, put that card into your graveyard, then shuffle.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

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.)

At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated.

When Corrosion leaves the battlefield, remove all rust counters from all permanents.

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

When Corrupt Court Official enters the battlefield, target opponent discards a card.

Enchant creature

You control enchanted creature.

Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Devoid (This card has no color.)

As Corrupted Shapeshifter enters the battlefield, it becomes your choice of a 3/3 creature with flying, a 2/5 creature with vigilance, or a 0/12 creature with defender.

, : Corrupting Licid loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

When Corsair Captain enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Other Pirates you control get +1/+1.

At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land enters the battlefield under your control, if Cosima is exiled, you may put a voyage counter on it. If you don't, return Cosima to the battlefield with X +1/+1 counters on it and draw X cards, where X is the number of voyage counters on it."

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

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Choose target permanent card in your graveyard. If it has mana value 3 or less, you may put it onto the battlefield. If you don't put it onto the battlefield, put it into your hand.

You gain 3 life.

, : Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost.

When Cosmium Kiln enters the battlefield, create two 1/1 colorless Gnome artifact creature tokens.

Creatures you control get +1/+1.

Cosmotronic Wave deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn.

When Council of Advisors enters the battlefield, draw a card.

As Council of the Absolute enters the battlefield, choose a noncreature, nonland card name.

Your opponents can't cast spells with the chosen name.

Spells with the chosen name you cast cost less to cast.

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.

Return one or two target creatures to their owners' hands.

Counter target spell unless its controller pays for each card in your graveyard.

Cycling (, Discard this card: Draw a card.)

Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

When Courier Bat enters the battlefield, if you gained life this turn, return up to one target creature card from your graveyard to your hand.

Flying, vigilance

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

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Court Cleric gets +1/+1 as long as you control an Ajani planeswalker.

When Court of Cunning enters the battlefield, you become the monarch.

At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

When Court of Ire enters the battlefield, you become the monarch.

At the beginning of your upkeep, Court of Ire deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

Whenever another white creature enters the battlefield under your control, tap target creature an opponent controls.

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.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Covert Technician deals combat damage to a player, you may put an artifact card with mana value less than or equal to that damage from your hand onto the battlefield.

Flying, deathtouch

If Covetous Geist would be put into a graveyard from anywhere, exile it instead.

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or ability.)

Creatures your opponents control get -1/-1 until end of turn.

Vanishing 3 (This enchantment enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Crack in Time enters the battlefield and at the beginning of your precombat main phase, exile target creature an opponent controls until Crack in Time leaves the battlefield.

Enchant creature

Enchanted creature gets +1/+0.

Sacrifice Crackling Club: It deals 1 damage to target creature.

Flying

Crackling Drake's power is equal to the total number of instant and sorcery cards you own in exile and in your graveyard.

When Crackling Drake enters the battlefield, draw a card.

Crackling Falls enters the battlefield tapped.

: Add or .

Flash

When Crackling Spellslinger enters the battlefield, if you cast it, the next instant or sorcery spell you cast this turn has storm. (When you cast that spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Whenever you gain life, you may pay . If you do, put a +1/+1 counter on target creature for each 1 life you gained.

When Cragganwick Cremator enters the battlefield, 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.

Reach, lifelink

One for My Baby — Whenever you attack with two or more creatures, put two quest counters on Craig Boone, Novac Guard. When you do, Craig Boone deals damage equal to the number of quest counters on it to up to one target creature unless that creature's controller has Craig Boone deal that much damage to them.

, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card.

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

: Attach Cranial Plating to target creature you control.

Equip