Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Vicious Hunger

Vicious Hunger deals 2 damage to target creature and you gain 2 life.

Badlands

Swamp

Stronghold Discipline

Each player loses 1 life for each creature they control.

Devastate

Destroy target land. Devastate deals 1 damage to each creature and each player.

Jagged Lightning

Jagged Lightning deals 3 damage to each of two target creatures.

Black Vise

As Black Vise enters, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Charcoal Diamond

Charcoal Diamond enters tapped.
{T}: Add {B}.

Carrion Wall

Defender (This creature can't attack.)
{1}{B}: Regenerate Carrion Wall.

Spellshock

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

Rhystic Lightning

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays {2}. If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Wall of Vipers

Defender (This creature can't attack.)
{3}: Destroy Wall of Vipers and target creature it's blocking. Any player may activate this ability.

Despoil

Destroy target land. Its controller loses 2 life.

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Wall of Bone

Defender (This creature can't attack.)
{B}: Regenerate Wall of Bone. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Rocky Tar Pit

Rocky Tar Pit enters tapped.
{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Cinder Wall

Defender
When Cinder Wall blocks, destroy it at end of combat.

Wall of Corpses

Defender (This creature can't attack.)
{B}, Sacrifice Wall of Corpses: Destroy target creature Wall of Corpses is blocking.

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.