Steppe Atoll
Land (Rare)

Whenever Steppe Atoll becomes tapped, it deals 1 damage to you.

W, Tap: Add UU to your mana pool.

U, Tap: Add WW to your mana pool.

1U: Steppe Atoll becomes a 1/1 white and blue Angel creature with flying until end of turn. It's still a land.

Steve Critchlow