Woodlot Lake
Land (Rare)

At the beginning of your end step, if you didn't cast any spells this turn, Woodlot Lake deals 1 damage to you.

G, Tap: Add UU to your mana pool.

U, Tap: Add GG to your mana pool.

2G: Woodlot Lake becomes a 2/2 green and blue Beast creature with trample until end of turn. It's still a land.

Justin Guay