Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.
Near Mint - $3.10
Near Mint Non-English - $3.10
Lightly Played - $2.80
Lightly Played Non-English - $2.80
Played - $2.20
Played Non-English - $2.20
Heavily Played - $1.90
Heavily Played Non-English - $1.90
Damaged - $1.60
Damaged Non-English - $1.60