Cleansing

For each land, destroy that land unless any player pays 1 life.

Rocket Launcher

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate this ability only if you’ve controlled Rocket Launcher continuously since the beginning of your most recent turn.

Hellfire

Destroy all nonblack creatures. Hellfire deals X plus 3 damage to you, where X is the number of creatures that died this way.

Blight

Enchant land
When enchanted land becomes tapped, destroy it.

Wall of Shadows

Defender (This creature can’t attack.)
Prevent all damage that would be dealt to Wall of Shadows by creatures it’s blocking.
Wall of Shadows can’t be the target of spells that can target only Walls or of abilities that can target only Walls.

The Abyss

At the beginning of each player’s upkeep, destroy target nonartifact creature that player controls of their choice. It can’t be regenerated.

Rocket Launcher

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate this ability only if you’ve controlled Rocket Launcher continuously since the beginning of your most recent turn.

Rocket Launcher

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate this ability only if you’ve controlled Rocket Launcher continuously since the beginning of your most recent turn.

Orcish Mechanics

, Sacrifice an artifact: Orcish Mechanics deals 2 damage to any target.

Rocket Launcher

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate this ability only if you’ve controlled Rocket Launcher continuously since the beginning of your most recent turn.

Gaea’s Avenger

Gaea’s Avenger’s power and toughness are each equal to 1 plus the number of artifacts your opponents control.