At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.

Copperhoof Vorrac gets +1/+1 for each untapped permanent your opponents control.

Flying

, Sacrifice X lands: Put X +1/+1 counters on Copper-Leaf Angel.

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

You may have Copycrook enter the battlefield as a copy of any creature on the battlefield, except it has "Whenever this creature attacks, it connives." (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

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.)

Whenever Coral Fighters attacks and isn't blocked, look at the top card of defending player's library. You may put that card on the bottom of that player's library.

Coral Reef enters the battlefield with four polyp counters on it.

Sacrifice an Island: Put two polyp counters on Coral Reef.

, Tap an untapped blue creature you control, Remove a polyp counter from Coral Reef: Put a +0/+1 counter on target creature.

Whenever you cast a kicked spell, draw a card, then discard a card.

When Coralhelm Chronicler enters the battlefield, look at the top five cards of your library. You may reveal a card with a kicker ability from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

: Target creature can't be blocked this turn.

Whenever Cordial Vampire or another creature dies, put a +1/+1 counter on each Vampire you control.

: Put a charge counter on target artifact.

Sacrifice Coretapper: Put two charge counters on target artifact.

When Cornered Crook enters the battlefield, you may sacrifice an artifact. When you do, Cornered Crook deals 3 damage to any target.

Up to three target creatures can't block this turn. Goad them. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

When Corpse Appraiser enters the battlefield, exile up to one target creature card from a graveyard. If a card is put into exile this way, look at the top three cards of your library, then put one of those cards into your hand and the rest into your graveyard.

Defender

Sacrifice another creature: Corpse Blockade gains deathtouch until end of turn.

As an additional cost to cast this spell, sacrifice any number of creatures.

Create an X/X blue and black Zombie creature token with menace, where X is the total power of the sacrificed creatures.

Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Corpse Cur enters the battlefield, you may return target creature card with infect from your graveyard to your hand.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Corpse Explosion deals damage equal to the exiled card's power to each creature and each planeswalker.

, Sacrifice Corpse Hauler: Return another target creature card from your graveyard to your hand.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Corpse Lunge deals damage equal to the exiled card's power to target creature.

Destroy target nonblack creature. Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

Skeletons you control get +1/+0 and have haste.

When Corpses of the Lost enters the battlefield, create a 2/2 black Skeleton Pirate creature token.

At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return Corpses of the Lost to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

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.)

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

When Corrupt Eunuchs enters the battlefield, it deals 2 damage to target creature.

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.)

: Add . ( represents colorless mana.)

, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

, Sacrifice a creature: Regenerate Corrupted Harvester.

Counter target spell if its controller is poisoned.

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.

At the beginning of your end step, draw a card if your life total is greater than your starting life total. Otherwise, you gain 2 life.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards.

Visit — You may put a sticker on a nonland permanent you own.

Lights — 2, 4, 6

Visit — You may put a sticker on a nonland permanent you own.

Lights — 3, 4, 6

Visit — You may put a sticker on a nonland permanent you own.

Lights — 4, 5, 6