Drowned Catacombs
Land-Island Swamp (Rare)

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

Drowned Catacombs enters the battlefield tapped.

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

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

Steve Sweet