Goblin King

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

Cursed Land

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

Word of Command

Look at target opponent’s hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they’re from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

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.

Living Lands

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

Basalt Monolith

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

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.

Word of Command

Look at target opponent’s hand and choose a card from it. You control that player until Word of Command finishes resolving. The player plays that card if able. While doing so, the player can activate mana abilities only if they’re from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card. If the chosen card is cast as a spell, you control the player while that spell is resolving.

Goblin King

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

Conversion

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

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.)

Cursed Land

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

Fog

Prevent all combat damage that would be dealt this turn.

Smoke

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