Thicket Verge
Land (Rare)

Thicket Verge enters the battlefield tapped unless you control one or more creatures.

G, Tap: Add WW to your mana pool.

W, Tap: Add GG to your mana pool.

2G: Thicket Verge becomes a 2/2 green and white Treefolk Bear creature with trample until end of turn. It's still a land.

Chippy Nielsen