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.)
"Hup, two, three, four, Dunno how to count no more." —Mogg march
NM-Mint - $16.00
NM-Mint Non English - $16.00
Lightly Played - $15.20
Lightly Played Non English - $15.20
Moderately Played - $14.40
Moderately Played Non English - $14.40
Heavily Played - $12.80
Heavily Played Non English - $12.80
Damaged - $10.40
Damaged Non English - $10.40
Foil Prices
NM-Mint Foil - $47.00
NM-Mint Foil Non English - $47.00
Lightly Played Foil - $44.70
Lightly Played Foil Non English - $44.70
Moderately Played Foil - $42.30
Moderately Played Foil Non English - $42.30
Heavily Played Foil - $37.60
Heavily Played Foil Non English - $37.60
Damaged Foil - $30.60
Damaged Foil Non English - $30.60