The Great Deku Tree

This spell cannot be countered, be put into a graveyard, exiled, or removed from the game, by
an opponent.
During your upkeep, create X amount of 1/1
Korok creature tokens, where X is equal to the
amount of forests you control.
If you control more than 30 Koroks, and gain life
equal to the amount of koroks you control+10.
Then remove this card from the game