Drowned Underground
Land-Island Swamp (Rare)

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

Drowned Underground enters the battlefield tapped unless you pay 2.

1UU, Tap: Counter target spell unless its controller pays 1.

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

Steve Guay