Molten Hollow
Land-Swamp Mountain (Rare)

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

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

1, Tap: Target land becomes a 2/2 red Elemental creature until end of turn. It's still a land.

BB, Tap, Sacrifice Molten Hollow: Put a -1/-1 counter on target creature.

Lars Schuler