Goblins you control and Elementals you control have menace. (They can't be blocked except by two or more creatures.)

Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

: Target player mills a card.

When Cathedral Sanctifier enters the battlefield, you gain 3 life.

Enchant creature

Enchanted creature can't attack or block.

When a Vehicle you control attacks, exile enchanted creature.

, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

When Cavalry Drillmaster enters the battlefield, target creature gets +2/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

: Add .

, : Add one mana of any color.

, , Sacrifice Cave of Temptation: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Whenever Cave Tiger becomes blocked by a creature, Cave Tiger gets +1/+1 until end of turn.

Flying

When Cavern Harpy enters the battlefield, return a blue or black creature you control to its owner's hand.

Pay 1 life: Return Cavern Harpy to its owner's hand.

When Cavern Stomper enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

: Cavern Stomper can't be blocked by creatures with power 2 or less this turn.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Menace (This creature can't be blocked except by two or more creatures.)

Whenever this creature mutates, each opponent discards a card.

Alliance — Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Celebrity Fencer.

Target player sacrifices an attacking or blocking creature.

Flying

When Celestial Regulator enters the battlefield, 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.

When CARDNAME enters the battlefield, create two 1/1 black Insect creature tokens.

Whenever CARDNAME attacks, you may sacrifice an Insect. When you do, curse defending player. (Create a black Aura Curse enchantment token that's attached to that player. It has enchant player and "At the beginning of your upkeep, you lose 1 life.")

Defender (This creature can't attack.)

Protection from black

Create two 1/1 white Kithkin Soldier creature tokens.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

When Centaur Nurturer enters the battlefield, you gain 3 life.

: Add one mana of any color.

Whenever Centaur Rootcaster deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Trample

, Discard a card: Regenerate Centaur Veteran.

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.)

: Target player draws a card, then discards a card.

Threshold — As long as seven or more cards are in your graveyard, Cephalid Sage has "When Cephalid Sage enters the battlefield, draw three cards, then discard two cards."

Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn.

When Ceremonial Guard attacks or blocks, destroy it at end of combat.

Vigilance, haste

Target creature becomes blue until end of turn. Untap that creature.

Draw a card.

, : Target creature gets +2/+0 until end of turn.

, : Add one mana of any color.

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.

Chainbreaker enters the battlefield with two -1/-1 counters on it.

, : Remove a -1/-1 counter from target creature.

Target player sacrifices a creature.

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

, : Chainflinger deals 1 damage to any target.

Threshold — , : Chainflinger deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

: Target creature can't block this turn.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Flying

Champion's Drake gets +3/+3 as long as you control a creature with three or more level counters on it.

, : Destroy target artifact creature.

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 Outrage deals 4 damage to target creature and 2 damage to that creature's controller.

Chandra's Revolution deals 4 damage to target creature. Tap target land. That land doesn't untap during its controller's next untap step.

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Enchant creature

Enchanted creature gets -13/-0.

, : Tear Chaos Confetti into pieces. Throw the pieces onto the battlefield from a distance of at least five feet. Destroy each permanent that a piece touches. Remove the pieces from the game.

You gain 5 life.

Flying

Choose one —

• Charge of the Mites deals damage equal to the number of creatures you control to target creature or planeswalker.

• Create two 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block." (Players dealt combat damage by them also get a poison counter.)

Trample

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Charging Griffin attacks, it gets +1/+1 until end of turn.

Charging Rhino can't be blocked by more than one creature.