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.

When Clone Crafter enters the battlefield, conjure a duplicate of a random creature card from your opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

All Slivers have ": Regenerate this permanent."

Flying

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

Flying

When Cloud of Faeries enters, untap up to two lands.

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

Flying

Cloud Spirit can block only creatures with flying.

Flying

When Cloudblazer enters, you gain 2 life and draw two cards.

Flying

When Cloudchaser Kestrel enters, destroy target enchantment.

: Target permanent becomes white until end of turn.

Reach (This creature can block creatures with flying.)

When Cloudform enters, it becomes an Aura with enchant creature. Manifest the top card of your library and attach Cloudform to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Enchanted creature has flying and hexproof.

Flying

: Cloudheath Drake gains vigilance until end of turn.

Flying

When Cloudkin Seer enters, draw a card.

As long as you control a Bird, Cloudreach Cavalry gets +2/+2 and has flying.

Flying

, , Discard a card: Create a 1/1 blue Faerie creature token named Cloud Sprite. It has flying and "Cloud Sprite can block only creatures with flying."

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.)

Flash

Reach

When Cloudthresher enters, it deals 2 damage to each creature with flying and each player.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 2, 6

Visit — Create a 1/1 white Clown Robot artifact creature token.

Lights — 4, 6

Create two 1/1 white Clown Robot artifact creature tokens, then roll a six-sided die. If the result is equal to or less than the number of Robots you control, create a 1/1 white Clown Robot artifact creature token.

Return target permanent to its owner's hand. Its controller loses 3 life.

Transmute (, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

: 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.

You win the game if you control a land of each basic land type and a creature of each color.

Flying, protection from green

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.)

Flying

, : Return target Kavu to its owner's hand.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

: Return Coastal Wizard and another target creature to their owners' hands. Activate only during your turn, before attackers are declared.

Trample

Whenever Coastline Marauders attacks, it gets +1/+0 until end of turn for each land defending player controls.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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.

If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay rather than pay this spell's mana cost.

Create four 1/1 green Snake creature tokens.

Target creature gets -4/-0 until end of turn.

Draw a card.

Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.

: Target player mills a card. (They put the top card of their library into their graveyard.)

, , Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

Commanders you control have ward .

: Add . Spend this mana only to cast Aura and/or Equipment spells.

: Attach target Aura or Equipment you control to target creature you control. Activate only as a sorcery.

Enchant creature

You control enchanted creature.

Enchanted creature has base power and toughness 1/1, has deathtouch, and is an Assassin in addition to its other types.

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.

Exile target card from a graveyard.

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

Flying

Cognivore's power and toughness are each equal to the number of instant cards in all graveyards.

: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

Draft Cogwork Librarian face up.

As you draft a card, you may draft an additional card from that booster pack. If you do, put Cogwork Librarian into that booster pack.

Reveal Cogwork Tracker as you draft it and note the player who passed it to you.

Cogwork Tracker attacks each combat if able.

Cogwork Tracker attacks a player you noted for cards named Cogwork Tracker each combat if able.

When Cogworker's Puzzleknot enters, create a 1/1 colorless Servo artifact creature token.

, Sacrifice Cogworker's Puzzleknot: Create a 1/1 colorless Servo artifact creature token.

When Coiling Oracle enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

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

Whenever Coiling Stalker deals combat damage to a player, put a +1/+1 counter on target creature you control that doesn't have a +1/+1 counter on it.

Flying

When Cold Case Cracker dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")