Whenever you gain life, you may pay . If you do, put a +1/+1 counter on target creature for each 1 life you gained.

Flash

When Crafty Cutpurse enters the battlefield, each token that would be created under an opponent's control this turn is created under your control instead.

: Target creature with power 2 or less can't be blocked this turn.

When Cragganwick Cremator enters the battlefield, discard a card at random. If you discard a creature card this way, Cragganwick Cremator deals damage equal to that card's power to target player or planeswalker.

Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)

Trample

Equipped creature gets +1/+0 for each artifact you control.

: Attach Cranial Plating to target creature you control.

Equip

Create a tapped 4/4 green Rhino Warrior creature token for each tapped creature you control.

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Draw a card.

Suspend 4— (Rather than cast this card from your hand, pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Create two 4/4 green Rhino creature tokens with trample.

, , Sacrifice Crater Elemental: It deals 4 damage to target creature.

Formidable — : Crater Elemental has base power 8 until end of turn. Activate only if creatures you control have total power 8 or greater.

Haste

When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Crater's Claws deals X damage to any target.

Ferocious — Crater's Claws deals X plus 2 damage instead if you control a creature with power 4 or greater.

Craven Knight can't block.

Return target creature card from your graveyard to your hand. Put a +1/+1 counter on up to one target Zombie you control.

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

At the beginning of your upkeep, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Whenever one or more creature cards are put into your graveyard from anywhere during your turn, create a 1/1 green Insect creature token. This ability triggers only once each turn.

When Crazed Firecat enters the battlefield, flip a coin until you lose a flip. Put a +1/+1 counter on Crazed Firecat for each flip you won.

Creative Outburst deals 5 damage to any target. Look at the top five cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

, Discard Creative Outburst: Create a Treasure token.

Enchant creature

When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.

, , Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.

Other Elementals you control get +1/+0.

: Creeping Trailblazer gets +1/+1 until end of turn for each Elemental you control.

Exile target card from a graveyard.

Draw a card.

Creosote Heath enters the battlefield tapped.

When Creosote Heath enters the battlefield, it deals 1 damage to target opponent.

: Add or .

Trample

When Crested Herdcaller enters the battlefield, create a 3/3 green Dinosaur creature token with trample.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When Cresting Mosasaurus enters the battlefield, if you cast it, return each non-Dinosaur creature to its owner's hand.

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.

Flying

, : Crimson Hellkite deals X damage to target creature. Spend only red mana on X.

Enchant creature

Enchanted creature gets -1/-1 and can't block.

Target creature gains double strike until end of turn.

When you roll a natural 20, return Critical Hit from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog.

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

Haste

When Crocodile of the Crossing enters the battlefield, put a -1/-1 counter on target creature you control.

, : Exile target card from a graveyard.

, Exile Crook of Condemnation: Exile all graveyards.

Crooked Custodian enters the battlefield tapped.

Flying

Whenever Crosis, the Purger deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and discards all cards of that color.

When Crosis's Catacombs enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

: Add , , or .

, : Target attacking Human gets +1/+1 until end of turn.

Attacking Vampires you control have deathtouch and lifelink.

Whenever a Vampire you control dies, you may pay 2 life. If you do, draw a card.

Other white creatures get +1/+1.

Nonwhite creatures get -1/-1.

Pay 2 life: Return Crovax, Ascendant Hero to its owner's hand.

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.)

As Crowd-Control Warden enters the battlefield or is turned face up, put X +1/+1 counters on it, where X is the number of other creatures you control.

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

, : Attach target Aura attached to a creature to another creature.

When Crown-Hunter Hireling enters the battlefield, you become the monarch.

Crown-Hunter Hireling can't attack unless defending player is the monarch.

Defender (This creature can't attack.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Destroy target creature with power 2 or less.

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Target creature gets -2/-2 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

, , 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.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

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.)