Fangorn

Fangorn enters the battlefield tapped.
When Fangorn enters the battlefield, you may
pay 2 life. If you do, add {c} to your mana pool.
{t}: Add {b} or {g} to your mana pool.

"This shaggy old forest looked so different in the sunlight. I almost felt I liked the place," said Pippin. "Almost felt you liked the Forest! That's good! That's uncommonly kind of you," said a strange voice.