Fetid Gate
Land-Plains Swamp (Rare)

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

Fetid Gate enters the battlefield tapped unless you control two or more creatures.

BB, Tap, Sacrifice Fetid Gate: Put a -1/-1 counter on target creature.

2W, Tap: Put a 1/1 Bird Spirit creature token onto the battlefield.

John Grant West