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.

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.)

Smoke

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

Fog

Prevent all combat damage that would be dealt this turn.

Living Lands

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

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.

Living Lands

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

Cosmic Horror

First strike
At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

Fog

Prevent all combat damage that would be dealt this turn.

Goblin King

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

Sunken City

At the beginning of your upkeep, sacrifice Sunken City unless you pay .
Blue creatures get +1/+1.

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.

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.

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.

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.