Return up to two target creatures to their owners' hands. Draw two cards, then discard a card.

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.)

Calamity of Cinders deals 6 damage to each untapped creature.

Haste

Whenever Calamity, Galloping Inferno attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once.

Saddle 1

Shroud (This creature can't be the target of spells or abilities.)

Vanishing 4 (This creature enters with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Shroud (This creature can't be the target of spells or abilities.)

Landfall — Whenever a land you control enters, you may switch Calcite Snapper's power and toughness until end of turn.

Menace

Whenever a creature attacks one of your opponents, that player loses 1 life.

When Caldaia Strongarm enters, put two +1/+1 counters on target creature.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

: Caldera Kavu gets +1/+1 until end of turn.

: Caldera Kavu becomes the color of your choice until end of turn.

Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target.

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

Flying, ward

Calim's Breath — , Discard Calim: Tap up to one target nonland permanent. Draw a card. Then you may exile two other cards named Calim, Djinn Emperor from your graveyard. When you do, return Calim from your graveyard to the battlefield tapped.

When you discard Calim, conjure a card named Calim, Djinn Emperor into your library seventh from the top.

Constellation — Whenever Calix, Guided by Fate or another enchantment you control enters, put a +1/+1 counter on target creature.

Whenever Calix or an enchanted creature you control deals combat damage to a player, you may create a token that's a copy of a nonlegendary enchantment you control. Do this only once each turn.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Put a flying counter on it. It's a Spirit in addition to its other types.

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

Target creature gets -X/-X until end of turn, where X is the sacrificed creature's power.

Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Then do it again.)

Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn.

Players can't gain life this turn. Damage can't be prevented this turn. Call In a Professional deals 3 damage to any target. (Shield counters don't prevent this damage as they're removed.)

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Create a 3/3 green Elephant creature token.

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

At the beginning of your upkeep, the Ring tempts you.

Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.

, Discard a card: Create a 1/1 black Vampire Knight creature token with lifelink. Activate only once each turn.

Strive — This spell costs more to cast for each target beyond the first.

Choose any number of target opponents. Create X 1/1 white Human Soldier creature tokens, where X is the number of creatures those opponents control.

Devoid (This card has no color.)

Create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ."

As Call to Arms enters, choose a color and an opponent.

White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common.

When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice Call to Arms.

Return target creature to its owner's hand. Its controller draws a card.

Enchant nonblack creature

Enchanted creature gets +1/+2, has flying, and is an Angel in addition to its other types.

At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature of their choice.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave.

Return target black creature card from your graveyard to your hand.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Callaphe's power is equal to your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost more to cast."

Flash

When Caller of the Claw enters, create a 2/2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.

Trample

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Flash

Polymorphine — You may have Callidus Assassin enter tapped as a copy of any creature on the battlefield, except it has "When this creature enters, destroy up to one other target creature with the same name as this creature."

: Look at the top card of your library.

: Reveal the top card of your library. If it's a land card, Callous Deceiver gets +1/+0 and gains flying until end of turn. Activate only once each turn.

If a source would deal 3 or less damage to Callous Giant, prevent that damage.

Callous Sell-Sword enters with a +1/+1 counter on it for each creature that died under your control this turn.

, : Calming 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 can't attack.

Whenever a creature attacks, Caltrops deals 1 damage to it.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

As long as Camel is attacking, prevent all damage Deserts would deal to Camel and to creatures banded with Camel.

Cast this spell only during your declare attackers step.

This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

, : You gain 2 life.

, , Exile Campfire: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

Return up to one target artifact or enchantment card from your graveyard to the battlefield. Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Draft Canal Dredger face up.

Each player passes the last card from each booster pack to a player who drafted a card named Canal Dredger.

: Put target card from your graveyard on the bottom of your library.

Counter target spell.

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, Candlegrove Witch gains flying until end of turn.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, Candlelit Cavalry gains trample until end of turn.

, : Reveal the top card of your library. If it has the same name as a card in your graveyard, put it into your graveyard. Otherwise, draw a card.

Enchant creature

Enchanted creature has defender.

Prevent all combat damage that would be dealt by enchanted creature.

Coven — , Sacrifice Candletrap: Exile enchanted creature. Activate only if you control three or more creatures with different powers.

When Candy Trail enters, scry 2.

, , Sacrifice Candy Trail: You gain 3 life and draw a card.

, Sacrifice Cankerbloom: Choose one —

• Destroy target artifact.

• Destroy target enchantment.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Choose two target creatures controlled by the same player. Exile one of those creatures and put two +1/+1 counters on the other.

Flying

Feeder Mandibles — When Canoptek Scarab Swarm enters, exile target player's graveyard. For each artifact or land card exiled this way, create a 1/1 colorless Insect artifact creature token with flying.