Copperline Ruins
Land-Swamp Forest (Rare)

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

Copperline Ruins enters the battlefield tapped unless you control an enchantment.

GG, Tap, Sacrifice Copperline Ruins: Destroy target enchantment.

BB, Tap, Sacrifice Copperline Ruins: Put a -1/-1 counter on target creature.

Jason Sweet