Secluded Ravine
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, Secluded Ravine deals 1 damage to you.

Tap, Sacrifice a Swamp: Add BB to your mana pool.

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

Steve Guay