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 - $16.60
NM-Mint Non English - $16.60
Lightly Played - $15.80
Lightly Played Non English - $15.80
Moderately Played - $15.00
Moderately Played Non English - $15.00
Heavily Played - $13.30
Heavily Played Non English - $13.30
Damaged - $10.80
Damaged Non English - $10.80
Foil Prices
NM-Mint Foil - $45.50
NM-Mint Foil Non English - $45.50
Lightly Played Foil - $43.30
Lightly Played Foil Non English - $43.30
Moderately Played Foil - $41.00
Moderately Played Foil Non English - $41.00
Heavily Played Foil - $36.40
Heavily Played Foil Non English - $36.40
Damaged Foil - $29.60
Damaged Foil Non English - $29.60