Arid-wood
Land (Rare)

Arid-wood enters the battlefield tapped unless you control an enchantment.

Tap: Add G or W to your mana pool.

Put Arid-wood on top of your library: Add 1 to your mana pool.

1: Arid-wood becomes a 2/2 white Spirit creature until end of turn. It's still a land.

Eric Spencer