Flood Scrub
Land-Island Swamp (Rare)

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

When Flood Scrub enters the battlefield, you lose 2 life unless you reveal an artifact land card from your hand.

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

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

Lars Chippy