Acorn of the Forest

At the beginning of your upkeep put a growth counter on Acorn of the forest. if Acorn of the forest has 3 or more growth counters on it draw a card.
Remove X growth counters: gain X life.
"You're the spirit of this forest! Now I understand.
You're upset and angry because your home was burned down. When I saw the forest had burned, I
was sad and upset, but my friend gave me hope that the forest would grow back." - Aang