Coiling Oracle
Casting Cost:
When Coiling Oracle comes into play, reveal the top card of your library. If it's a land card, put it into play. Otherwise, put that card into your hand.
$ 000
Coffin Queen
You may choose not to untap Coffin Queen during your untap step.
, : Put target creature card from a graveyard onto the battlefield under your control. When Coffin Queen becomes untapped or you lose control of Coffin Queen, exile that creature.
Coercive Portal
Will of the council — At the beginning of your upkeep, starting with you, each player votes for carnage or homage. If carnage gets more votes, sacrifice Coercive Portal and destroy all nonland permanents. If homage gets more votes or the vote is tied, draw a card.
Codex Shredder
: Target player puts the top card of his or her library into his or her graveyard.
, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.
Cockatrice
Flying
Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.
Coat of Arms
Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
Coalition Relic
: Add one mana of any color to your mana pool.
: Put a charge counter on Coalition Relic.
At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color to your mana pool for each charge counter removed this way.
Cloudstone Curio
Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand.