Mountain

Granite Gargoyle

Flying
{R}: Granite Gargoyle gets +0/+1 until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Goblin King

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

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Black Vise

As Black Vise enters, choose an opponent.
At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Mons's Goblin Raiders

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.