Cascade Swamp
Land-Island Swamp (Rare)

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

Cascade Swamp enters the battlefield tapped unless you pay 3 life.

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

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

Allan Staples