Search your library for a Mercenary card, reveal that card, put it into your hand, then shuffle.

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

Enchant creature

Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card."

If Catlike Curiosity would be put into a graveyard from anywhere, exile it instead.

Spree (Choose one or more additional costs.)

+ — Caught in the Crossfire deals 2 damage to each outlaw creature. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

+ — Caught in the Crossfire deals 2 damage to each non-outlaw creature.

Cast this spell only during combat.

Return target creature card from your graveyard to the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step.

You may put a creature card from your hand onto the battlefield. That creature gains haste. Its controller sacrifices it at the beginning of the next end step.

Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Adamant — If at least three black mana was spent to cast this spell, mill four cards.

You may choose a creature card in your graveyard. If you do, return it to the battlefield with an additional +1/+1 counter on it.

, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

When Caustic Hound dies, each player loses 4 life.

Enchant land

Enchanted land has ": Target player loses 3 life."

All Slivers have ", Sacrifice this permanent: This permanent deals 1 damage to any target."

All Slivers have ", Sacrifice this permanent: Prevent the next 1 damage that would be dealt to target player, planeswalker, or Sliver creature this turn."

Flying

Whenever Cavalry Pegasus attacks, each attacking Human gains flying until end of turn.

: Add .

: Cavernous Maw becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.

Partner with Ukkima, Stalking Shadow (When this creature enters, target player may put Ukkima into their hand from their library, then shuffle.)

Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.

For each different power among creatures on the battlefield, choose a creature with that power. Destroy each creature not chosen this way.

Flying

When Celestial Regulator enters, choose target creature you don't control and tap it. If you control a creature with a counter on it, the chosen creature doesn't untap during its controller's next untap step.

, : Draft a card from Celestial Vault's spellbook and exile it face down.

, Sacrifice Celestial Vault: Put each card exiled with Celestial Vault into your hand.

Flying

Whenever Cemetery Illuminator enters or attacks, exile a card from a graveyard.

You may look at the top card of your library any time.

Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with Cemetery Illuminator.

Return target creature card from your graveyard to your hand. If it's a Zombie card, draw a card.

: Centaur Archer deals 1 damage to target creature with flying.

Haste

Threshold — As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters, creatures you control get +1/+1 and gain trample until end of turn."

: Add . Centaur Garden deals 1 damage to you.

Threshold — , , Sacrifice Centaur Garden: Target creature gets +3/+3 until end of turn. Activate only if seven or more cards are in your graveyard.

When Centaur Healer enters, you gain 3 life.

When Centaur of Attention enters, roll five six-sided dice and store those results on it.

At the beginning of combat on your turn, you may reroll any number of Centaur of Attention's stored results.

Centaur of Attention gets +X/+X, where X is the greatest number of stored results on it of the same value.

When Centaur Peacemaker enters, each player gains 4 life.

( can be paid with either or .)

When Centaur Safeguard dies, you may gain 3 life.

Trample

Centaur Vinecrasher enters with a number of +1/+1 counters on it equal to the number of land cards in all graveyards.

Whenever a land card is put into a graveyard from anywhere, you may pay . If you do, return Centaur Vinecrasher from your graveyard to your hand.

Target creature you control gains protection from the color of your choice until end of turn.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Visit — Each player draws a card from the library of the player to their right. You create three Treasure tokens.

Lights — 4, 6

Whenever Cephalid Illusionist becomes the target of a spell or ability, mill three cards.

, : Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Flying

, Sacrifice a land: Draw a card.

Equipped creature gets +2/+1 and has trample.

Equip Citizen

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Counter target colorless spell.

Flying

: Cerulean Sphinx's owner shuffles it into their library.

Flying, protection from green

Chained Brute doesn't untap during your untap step.

, Sacrifice another creature: Untap Chained Brute. Activate only during your turn.

Whenever one or more creature cards leave your graveyard, create a 2/2 white and blue Detective creature token, then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever Chambered Nautilus becomes blocked, you may draw a card.

Changeling (This card is every creature type.)

Protection from black

: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

, , Sacrifice X other creatures: Return X target creature cards from your graveyard to the battlefield.

: Put Champion of Stray Souls on top of your library from your graveyard.

+1: Chandra, Flame's Fury deals 2 damage to any target.

−2: Chandra, Flame's Fury deals 4 damage to target creature and 2 damage to that creature's controller.

−8: Chandra, Flame's Fury deals 10 damage to target player and each creature that player controls.

Chandra's Fury deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls.

Chandra's Outburst deals 4 damage to target player or planeswalker.

Search your library and/or graveyard for a card named Chandra, Bold Pyromancer, reveal it, and put it into your hand. If you search your library this way, shuffle.

Whenever you activate a loyalty ability of a Chandra planeswalker, you may pay . If you do, copy that ability. You may choose new targets for the copy.

, , Discard a Mountain card or a red card: Draw a card.

Chandra's Triumph deals 3 damage to target creature or planeswalker an opponent controls. Chandra's Triumph deals 5 damage instead if you control a Chandra planeswalker.

Choose one —

• Counter target spell with mana value 2 or less.

• Counter target red or green spell with mana value 6 or less.

Add .

: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn.

Target creature gains trample until end of turn.

Draw a card.

Trample

If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.