mtg.wtf

Destroy X target artifacts.

Capricopian enters the battlefield with X +1/+1 counters on it.
{2}: Put a +1/+1 counter on Capricopian, then you may reselect which player Capricopian is attacking. Only the player Capricopian is attacking may activate this ability and only during the declare attackers step.

The next X damage that would be dealt to target creature, planeswalker, or player this turn is dealt to another target creature, planeswalker, or player instead.

Cataclysmic Prospecting deals X damage to each creature. For each mana from a Desert spent to cast this spell, create a tapped Treasure token.

Chalice of the Void enters the battlefield with X charge counters on it.
Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.

Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
{X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target.
{W}{U}{B}{R}{G}: Return Chamber Sentry from your graveyard to your hand.

Each of X target creatures you control connive. You may have any number of them phase out.

Chimeric Mass enters the battlefield with X charge counters on it.
{1}: Until end of turn, Chimeric Mass becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."

Cast this spell only during the declare blockers step.
X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures.

Convoke
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Choose one or more —
• Clan Defiance deals X damage to target creature with flying.
• Clan Defiance deals X damage to target creature without flying.
• Clan Defiance deals X damage to target player or planeswalker.

Counter target spell unless its controller pays {X}.

Clay Champion enters the battlefield with three +1/+1 counters on it for each {G}{G} spent to cast it.
When Clay Champion enters the battlefield, choose up to two other target creatures you control. For each {W}{W} spent to cast Clay Champion, put a +1/+1 counter on each of them.

When Clown Car enters the battlefield, roll X six-sided dice. For each odd result, create a 1/1 white Clown Robot artifact creature token. For each even result, put a +1/+1 counter on Clown Car.
Crew 2

Multikicker {1}
Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Target player draws X cards plus an additional card for each time they've cast a commander from the command zone this game.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Counter target spell unless its controller pays {X}. Scry 2.

Conflagrate deals X damage divided as you choose among any number of targets.
Flashback—{R}{R}, Discard X cards.

Choose one —
• Return target planeswalker card with mana value X or less from your graveyard to the battlefield.
• Remove twice X loyalty counters from target planeswalker an opponent controls.

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.

Contortionist Troupe enters the battlefield with X +1/+1 counters on it.
Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a +1/+1 counter on target creature you control.

Corrosive Gale deals X damage to each creature with flying.

Crackle with Power deals five times X damage to each of up to X targets.