Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
NM-Mint - $20.80
Lightly Played - $18.70
Moderately Played - $16.70
Heavily Played - $14.60
Damaged - $10.40
NM-Mint Non English - $20.80
Lightly Played Non English - $18.70
Moderately Played Non English - $16.70
Heavily Played Non English - $14.60
Damaged Non English - $10.40
Foil Prices
NM-Mint Foil - $27.50
Lightly Played Foil - $24.70
Moderately Played Foil - $22.00
Heavily Played Foil - $19.20
Damaged Foil - $13.80
NM-Mint Foil Non English - $27.50
Lightly Played Foil Non English - $24.70
Moderately Played Foil Non English - $22.00
Heavily Played Foil Non English - $19.20
Damaged Foil Non English - $13.80