Crumble

Destroy target artifact. It can’t be regenerated. That artifact’s controller gains life equal to its converted mana cost.

Will-o’-the-Wisp

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Regenerate Will-o’-the-Wisp. (The next time this creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay .
All Mountains are Plains.

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Smoke

Players can’t untap more than one creature during their untap steps.

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Cursed Land

Enchant land
At the beginning of the upkeep of enchanted land’s controller, Cursed Land deals 1 damage to that player.

Demonic Hordes

: Destroy target land.
At the beginning of your upkeep, unless you pay , tap Demonic Hordes and sacrifice a land of an opponent’s choice.

Basalt Monolith

Basalt Monolith doesn’t untap during your untap step.
: Add .
: Untap Basalt Monolith.

Fog

Prevent all combat damage that would be dealt this turn.

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
: Pestilence deals 1 damage to each creature and each player.

Bottle of Suleiman

, Sacrifice Bottle of Suleiman: Flip a coin. If you win the flip, create a 5/5 colorless Djinn artifact creature token with flying. If you lose the flip, Bottle of Suleiman deals 5 damage to you.