Whenever you roll a 4 or higher on a die, create a 1/1 green Squirrel creature token.

Haste

Menace (This creature can't be blocked except by two or more creatures.)

When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn.

Corrupted — Sacrifice an artifact or creature: Draw a card. Activate only if an opponent has three or more poison counters and only once each turn.

Whenever you attack with two or more creatures, draw a card.

, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.

Whenever Cho-Arrim Bruiser attacks, you may tap up to two target creatures.

Flying

When Chrome Courier enters the battlefield, reveal the top two cards of your library. Put one of them into your hand and the other into your graveyard. If you put an artifact card into your hand this way, you gain 3 life.

Vigilance

Secret council — Whenever Círdan the Shipwright enters the battlefield or attacks, each player secretly votes for a player, then those votes are revealed. Each player draws a card for each vote they received. Each player who received no votes may put a permanent card from their hand onto the battlefield.

Trample, haste

When Clackbridge Troll enters the battlefield, target opponent creates three 0/1 white Goat creature tokens.

At the beginning of combat on your turn, any opponent may sacrifice a creature. If a player does, tap Clackbridge Troll, you gain 3 life, and you draw a card.

Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying.

Clattering Augur can't block.

When Clattering Augur enters the battlefield, you draw a card and you lose 1 life.

: Return Clattering Augur from your graveyard to your hand.

When Clay-Fired Bricks enters the battlefield, search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Flash

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

Flying

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

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

Flying

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

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

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

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.)

Flying

Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Draft Cogwork Grinder face up.

As you draft a card, you may remove it from the draft face down. (Those cards aren't in your card pool.)

Cogwork Grinder enters the battlefield with X +1/+1 counters on it, where X is the number of cards you removed from the draft with cards named Cogwork Grinder.

Destroy target creature with toughness 4 or greater.

, Sacrifice Combat Courier: Draw a card.

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.)

(: Add or .)

Commercial District enters the battlefield tapped.

When Commercial District enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Look at the top four cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Constellation — Whenever an enchantment enters the battlefield under your control, you may put a land card from your hand onto the battlefield tapped. If you control six or more enchantments, instead you may put a creature or land card from your hand onto the battlefield tapped.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

When Conclave Tribunal enters the battlefield, exile target nonland permanent an opponent controls until Conclave Tribunal leaves the battlefield.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

When Conscripted Infantry dies, create a 1/1 colorless Soldier artifact creature token.

Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield."

Spend only black mana on X.

Consume Spirit deals X damage to any target and you gain X life.

Draw X cards, then you get half X rad counters, rounded up.

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.

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

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.

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

At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control.

Tap an untapped Gate you control: Crackling Perimeter deals 1 damage to each opponent.

Whenever a source deals damage to Crag Saurian, that source's controller gains control of Crag Saurian.

Destroy target land.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)

Flying

When Crimestopper Sprite enters the battlefield, tap target creature. If evidence was collected, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Protection from red

: Target creature gains protection from red until end of turn.

Trample

When Crimson Fleet Commodore enters the battlefield, you become the monarch.

Trample

At the beginning of each player's end step, Crimson Honor Guard deals 4 damage to that player unless they control a commander.

: Target creature you control gains haste until end of turn. (It can attack and this turn.)

Crimson Muckwader gets +1/+1 as long as you control a Swamp.

: Regenerate Crimson Muckwader. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Target creature becomes red and gains haste until end of turn.

Draw a card.

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.