Watery Underground
Land-Island Swamp (Rare)

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

When Watery Underground enters the battlefield, you lose 2 life unless you reveal a Black card from your hand.

U, Tap, Sacrifice Watery Underground: Return target creature you control to its owner's hand.

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

Eric Critchlow