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.
NM-Mint - $427.50
Lightly Played - $384.80
Moderately Played - $342.00
Heavily Played - $299.30
Damaged - $213.80
NM-Mint Non English - $427.50
Lightly Played Non English - $384.80
Moderately Played Non English - $342.00
Heavily Played Non English - $299.30
Damaged Non English - $213.80