Sulfurous Peninsula
Land-Island Swamp (Rare)

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

Sulfurous Peninsula enters the battlefield tapped unless you control four or more Horrors.

BB, Tap, Sacrifice Sulfurous Peninsula: Put a -1/-1 counter on target creature.

2U, Tap: Draw a card, then discard a card.

Christopher Staples