Cinder Steppe
Land (Rare)

Cinder Steppe enters the battlefield tapped unless you control four or more Clerics.

Tap: Add R or W to your mana pool. Cinder Steppe deals 1 damage to you.

RW: Cinder Steppe becomes a 2/1 red and white Dwarf creature until end of turn. It's still a land.

Greg Walker