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

This creature can't be blocked by creatures with power 2 or less.

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.)

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

: Chronatog gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

Enchant land

Whenever enchanted land becomes tapped, its controller mills three cards.

At the beginning of your upkeep, put an oil counter on another target nontoken artifact or creature you control.

, : Create a 1/1 red Phyrexian Goblin creature token. Activate only if an oil counter was removed from a permanent you controlled this turn or a permanent with an oil counter on it was put into a graveyard this turn.

(: Add or .)

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

This spell costs less to cast for each permanent you control with oil counters on it.

Vigilance

When Cinderslash Ravager enters the battlefield, it deals 1 damage to each creature your opponents control.

Flying

You may discard Circling Vultures any time you could cast an instant.

At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard.

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.

Citadel Gate enters the battlefield tapped.

As Citadel Gate enters the battlefield, choose a color other than white.

: Add or one mana of the chosen color.

Whenever Civic Gardener attacks, untap target creature or land.

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.

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.

Enchant artifact or creature

As long as enchanted permanent is a creature, it gets -1/-1 and can't block.

Enchanted permanent has "At the beginning of your upkeep, you lose 1 life."

, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

Berserk — When Clay Golem becomes monstrous, destroy target permanent.

For each land, destroy that land unless any player pays 1 life.

Destroy all enchantments.

Threshold — If seven or more cards are in your graveyard, instead destroy all enchantments, then return all cards in your graveyard destroyed this way to the battlefield.

Choose one —

• Destroy target Vampire.

• Destroy target enchantment.

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Draw a card.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet.

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.

: Prevent the next 1 damage that would be dealt to any target this turn.

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

: Add or one mana of the chosen color.

Defender

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Prevent all combat damage that would be dealt this turn.

Fateful hour — If you have 5 or less life, tap all attacking creatures. Those creatures don't untap during their controller's next untap step.

Equipped creature gets +2/+0 and has shroud. (It can't be the target of spells or abilities.)

Whenever a Rogue creature enters the battlefield, you may attach Cloak and Dagger to it.

Equip

Flying

Clockwork Dragon enters the battlefield with six +1/+1 counters on it.

Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat.

: Put a +1/+1 counter on Clockwork Dragon.

, : Regenerate target artifact creature.

For each creature target player controls, create a token that's a copy of that creature.

Flying

Cloud Dragon can block only creatures with flying.

When Cloudgoat Ranger enters the battlefield, create three 1/1 white Kithkin Soldier creature tokens.

Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.

Create two 1/1 white Clown Robot artifact creature tokens, then roll a six-sided die. If the result is equal to or less than the number of Robots you control, create a 1/1 white Clown Robot artifact creature token.

Enchant creature you control

Enchanted creature is a Flagbearer.

While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.

Flying

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

: Cobalt Golem gains flying until end of turn.

Exile target card from a graveyard.

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

Flying

Cognivore's power and toughness are each equal to the number of instant cards in all graveyards.

: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

Draft Cogwork Librarian face up.

As you draft a card, you may draft an additional card from that booster pack. If you do, put Cogwork Librarian into that booster pack.

Reveal Cogwork Tracker as you draft it and note the player who passed it to you.

Cogwork Tracker attacks each combat if able.

Cogwork Tracker attacks a player you noted for cards named Cogwork Tracker each combat if able.

When Cogworker's Puzzleknot enters the battlefield, create a 1/1 colorless Servo artifact creature token.

, Sacrifice Cogworker's Puzzleknot: Create a 1/1 colorless Servo artifact creature token.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Coiling Stalker deals combat damage to a player, put a +1/+1 counter on target creature you control that doesn't have a +1/+1 counter on it.

: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

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

Collateral Damage deals 3 damage to any target.

Creatures you control get +3/+3.

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

: Colos Yearling gets +1/+0 until end of turn.

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

Target creature gets +3/+3 until end of turn. If this spell was kicked, instead that creature gets +4/+4 and gains trample and haste until end of turn.

, : This turn, each creature you control enters the battlefield with an additional +1/+1 counter on it.

, : Move a +1/+1 counter from target creature you control onto another target creature you control.