Create a 1/2 blue Bird creature token with flying named Storm Crow.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

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

Crowd of Cinders's power and toughness are each equal to the number of black permanents you control.

Enchant creature

Enchanted creature has flying.

Sacrifice Crown of Ascension: Enchanted creature and other creatures that share a creature type with it gain flying until end of turn.

Enchant creature

: Enchanted creature gets +1/+0 until end of turn.

: Return Crown of Flames to its owner's hand.

Enchant creature

Enchanted creature gets +2/-1.

Sacrifice Crown of Suspicion: Enchanted creature and other creatures that share a creature type with it get +2/-1 until end of turn.

: Add .

, : Put a storage counter on Crucible of the Spirit Dragon.

, Remove X storage counters from Crucible of the Spirit Dragon: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

, , Pay 1 life: Put a +1/+1 counter on Cruel Sadist.

, , Remove X +1/+1 counters from Cruel Sadist: It deals X damage to target creature.

Flying

Whenever you cast a noncreature spell, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Devoid (This card has no color.)

Exile target nonbasic land. Search its controller's graveyard, hand, and library for any number of cards with the same name as that land and exile them. Then that player shuffles.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When Crumbling Colossus attacks, sacrifice it at end of combat.

If damage would be dealt to a player, that player exiles that many cards from the top of their library instead.

White creatures get +1/+1.

Protection from black

Crusading Knight gets +1/+1 for each Swamp your opponents control.

Choose one or both —

• Exile target artifact.

• Exile target enchantment.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token.

Crush the Weak deals 2 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

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.)

Enchant land

Enchanted land is a 4/2 red Beast creature with trample. It's still a land.

When enchanted land dies, return that card to its owner's hand.

Each player loses 2 life. You draw two cards.

Choose one —

• Destroy target creature with flying.

• Destroy target artifact.

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

: Add .

, , Sacrifice Cryptic Caves: Draw a card. Activate only if you control five or more lands.

Whenever you cast an instant or sorcery spell from your hand, manifest the top card of your library. (Put that card 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.)

Whenever a face-down creature you control dies, exile it if it's an instant or sorcery card. You may cast that card until the end of your next turn.

As you create your deck, circle two of the colors below.

Cryptic Spires enters tapped.

: Add one mana of either of the circled colors.

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

, : Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

, , Sacrifice Crystal Chimes: Return all enchantment cards from your graveyard to your hand.

At the beginning of your end step, Crystal Golem phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

: Add .

, : Add .

When Crystal Seer enters, look at the top four cards of your library, then put them back in any order.

: Return Crystal Seer to its owner's hand.

You may look at the top card of your library any time.

You may play historic lands and cast historic spells from the top of your library. (Artifacts, legendaries, and Sagas are historic.)

: Add .

Change the text of target spell or permanent by replacing all instances of one color word with another or one basic land type with another until end of turn.

Draw a card.

Converge — Crystalline Crawler enters with a +1/+1 counter on it for each color of mana spent to cast it.

Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.

: Put a +1/+1 counter on Crystalline Crawler.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.

Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."

All Slivers have shroud. (They can't be the targets of spells or abilities.)

, Sacrifice a creature: Put a charge counter on Culling Dais.

, Sacrifice Culling Dais: Draw a card for each charge counter on Culling Dais.

Destroy each creature with mana value 3 or less.

Cult Conscript enters tapped.

: Return Cult Conscript from your graveyard to the battlefield. Activate only if a non-Skeleton creature died under your control this turn.

Commander creatures you own get +3/+3 and have flying, deathtouch, "Ward—Pay 3 life," and "At the beginning of your upkeep, sacrifice a creature."

Trample

Cultivator Colossus's power and toughness are each equal to the number of lands you control.

When Cultivator Colossus enters, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

: Add one mana of any color.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Creatures your opponents control get -1/-0.

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Haste

: Cunning Sparkmage deals 1 damage to any target.

Whenever you cycle or discard a card, Cunning Survivor gets +1/+0 until end of turn and can't be blocked this turn.

: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent's choice.

Flying

Whenever you cycle or discard another card, scry 1.

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

Enchant permanent

Enchanted permanent has hexproof.

When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.