Peat Outpost
Land-Plains Swamp (Rare)

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

Peat Outpost enters the battlefield tapped unless you control four or more White permanents.

BB, Tap, Sacrifice Peat Outpost: Put a -1/-1 counter on target creature.

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

Justin Schuler