, : Creatures you control gain trample until end of turn.

, : Create a 2/2 green and white Elf Knight creature token with vigilance.

When Conclave Naturalists enters, you may destroy target artifact or enchantment.

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

Trample

Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it.

Conductor of Cacophony enters with two +1/+1 counters on it.

, Remove a +1/+1 counter from Conductor of Cacophony: It deals 1 damage to each other creature and each player.

Whenever Conduit of Emrakul attacks, add at the beginning of your next main phase this turn.

Whenever Conduit of Storms attacks, add at the beginning of your next main phase this turn.

: Transform Conduit of Storms.

Flying, lifelink

Whenever Congregation Gryff attacks while saddled, it gets +X/+X until end of turn, where X is the number of Mounts you control.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Trample

: Conifer Wurm gets +X/+X until end of turn, where X is the number of snow permanents you control.

When Conscripted Infantry dies, create a 1/1 colorless Soldier artifact creature token.

Play with the top card of your library revealed.

You may cast Goblin spells from the top of your library.

As long as the top card of your library is a Goblin card, Conspicuous Snoop has all activated abilities of that card.

Flying

You may collect evidence 10 rather than pay the mana cost for spells you cast. (To collect evidence 10, exile cards with total mana value 10 or greater from your graveyard.)

Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."

First strike

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Whenever Consul's Lieutenant attacks, if it's renowned, other attacking creatures you control get +1/+1 until end of turn.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Consuming Blob's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.

At the beginning of your end step, create a green Ooze creature token with "This creature's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1."

: Target creature gets -1/-1 until end of turn. Put a +1/+1 counter on Consumptive Goo.

When Contagious Vorrac enters, look at the top four cards of your library. You may reveal a land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flash

If a nontoken creature would enter and it wasn't cast, exile it instead.

Contortionist Troupe enters 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.

This spell can't be countered.

Shroud

CARDNAME's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.)

When Converter Beast enters, incubate 5. (Create an Incubator token with five +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

, : Convulsing 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 block.

Trample

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

: Add .

Copperhoof Vorrac gets +1/+1 for each untapped permanent your opponents control.

Flying

, Sacrifice X lands: Put X +1/+1 counters on Copper-Leaf Angel.

You may have Copycrook enter as a copy of any creature on the battlefield, except it has "Whenever this creature attacks, it connives." (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Defender

, : Target player mills X cards, where X is the number of creatures you control with defender. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever you cast a kicked spell, draw a card, then discard a card.

When Coralhelm Chronicler enters, look at the top five cards of your library. You may reveal a card with a kicker ability from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

: Target creature can't be blocked this turn.

Whenever Cordial Vampire or another creature dies, put a +1/+1 counter on each Vampire you control.

: Put a charge counter on target artifact.

Sacrifice Coretapper: Put two charge counters on target artifact.

When Cornered Crook enters, you may sacrifice an artifact. When you do, Cornered Crook deals 3 damage to any target.

When Corpse Augur dies, you draw X cards and you lose X life, where X is the number of creature cards in target player's graveyard.

When Corpse Connoisseur enters, you may search your library for a creature card, put that card into your graveyard, then shuffle.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

, , Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.

Whenever another creature you control enters, each opponent loses 1 life.

At the beginning of combat on your turn, you may forage. (Exile three cards from your graveyard or sacrifice a Food.)

Whenever you forage, put a +1/+1 counter on Corpseberry Cultivator.

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

Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five 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. It has haste.)

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

When Corrupt Court Official enters, target opponent discards a card.

: Regenerate Corrupt Official.

Whenever Corrupt Official becomes blocked, defending player discards a card at random.

Devoid (This card has no color.)

As Corrupted Shapeshifter enters, it becomes your choice of a 3/3 creature with flying, a 2/5 creature with vigilance, or a 0/12 creature with defender.

When this creature enters, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Other Pirates you control get +1/+1.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Landfall — Whenever a land you control enters, you may have Cosi's Ravager deal 1 damage to target player or planeswalker.

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

Flash

Flying

Foretelling cards from your hand costs less and can be done on any player's turn.

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.)