Mire Townships
Land-Plains Swamp (Rare)

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

Mire Townships enters the battlefield tapped unless you sacrifice an artifact land.

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

W, Tap, Sacrifice Mire Townships: Prevent all combat damage that would be dealt this turn.

Mark Chan