Keldon Steppe
Land (Rare)

Keldon Steppe enters the battlefield tapped unless you control an enchantment.

R, Tap: Add WW to your mana pool.

W, Tap: Add RR to your mana pool.

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

Lars Moeller