Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types.
Nature is a wonderful engineer but works far too slowly for my tastes.
Near Mint - $0.30
Lightly Played - $0.30
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.20
Near Mint Spanish - $0.30
Lightly Played Spanish - $0.30
Moderately Played Spanish - $0.20
Heavily Played Spanish - $0.20
Damaged Spanish - $0.20