Cursed-wood
Land-Swamp Forest (Rare)

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

Cursed-wood enters the battlefield tapped unless you control one or more creatures.

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

2G, Tap: Regenerate target land.

Kev Pollack