Elven Ruins
Land-Swamp Forest (Rare)

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

At the beginning of your end step, if you didn't cast any spells this turn, Elven Ruins deals 1 damage to you.

2: Elven Ruins becomes a 2/2 black Rogue Specter creature until end of turn. It's still a land.

Ron Palck