Dormant Cavern
Land-Swamp Mountain (Rare)

(Tap: Add B or R to your mana pool.)

Dormant Cavern enters the battlefield tapped unless you control two or more creatures.

2, Tap: Target land becomes a 3/3 red Troll creature until end of turn. It's still a land.

1, Tap: Target land becomes a 2/2 black Skeleton Rogue creature until end of turn. It's still a land.

Jesper Tedin