Cinder Cairns
Land (Rare)

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

1, Tap: Add RR, RB or BB to your mana pool. Cinder Cairns deals 1 damage to you.

2: Cinder Cairns becomes a 2/2 red Ogre creature until end of turn. It's still a land.

Ron Tedin