Windbrisk Steppe
Land (Rare)

Windbrisk Steppe enters the battlefield tapped unless you control one or more basic lands.

W, Tap: Add GG to your mana pool.

G, Tap: Add WW to your mana pool.

1W: Windbrisk Steppe becomes a 0/4 green and white Bird creature with defender until end of turn. It's still a land.

Douglas Chan