Goblin King

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

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.

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.

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.

Cursed Land

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

Smoke

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

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.

Living Lands

All Forests are 1/1 creatures that are still lands.

Island Fish Jasconius

Island Fish Jasconius doesn’t untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap Island Fish Jasconius.
Island Fish Jasconius can’t attack unless defending player controls an Island.
When you control no Islands, sacrifice Island Fish Jasconius.

Crumble

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

Conversion

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

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.)