Wall of Tombstones

Defender (This creature can't attack.)
At the beginning of your upkeep, change this creature's base toughness to 1 plus the number of creature cards in your graveyard. (This effect lasts indefinitely.)

Equinox

Enchant land
Enchanted land has "{T}: Counter target spell if it would destroy a land you control."

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Aerathi Berserker

Rampage 3 (Whenever this creature becomes blocked, it gets +3/+3 until end of turn for each creature blocking it beyond the first.)

Backdraft

Choose a player who cast one or more sorcery spells this turn. Backdraft deals damage to that player equal to half the damage dealt by one of those sorcery spells this turn, rounded down.

Beasts of Bogardan

Protection from red
This creature gets +1/+1 as long as an opponent controls a nontoken white permanent.

Blazing Effigy

When this creature dies, it deals X damage to target creature, where X is 3 plus the amount of damage dealt to this creature this turn by other sources named Blazing Effigy.

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Caverns of Despair

No more than two creatures can attack each combat.
No more than two creatures can block each combat.

Chain Lightning

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

Crevasse

Creatures with mountainwalk can be blocked as though they didn't have mountainwalk.

Crimson Kobolds

Fortified Area

Wall creatures you control get +1/+0 and have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Crimson Manticore

Flying
{R}, {T}: This creature deals 1 damage to target attacking or blocking creature.

Crookshank Kobolds

Disharmony

Cast this spell only during combat before blockers are declared.
Untap target attacking creature and remove it from combat. Gain control of that creature until end of turn.

Legends