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.)
Near Mint - $15,300
Lightly Played - $12,200
Moderately Played - $10,700
Heavily Played - $9,200
Damaged - $7,700
Near Mint Spanish - $15,300
Lightly Played Spanish - $12,200
Moderately Played Spanish - $10,700
Heavily Played Spanish - $9,200
Damaged Spanish - $7,700
Foil Prices
Near Mint Foil - $280,700
Lightly Played Foil - $224,600
Moderately Played Foil - $196,500
Heavily Played Foil - $168,400
Damaged Foil - $140,400
Near Mint Foil Spanish - $280,700
Lightly Played Foil Spanish - $224,600
Moderately Played Foil Spanish - $196,500
Heavily Played Foil Spanish - $168,400
Damaged Foil Spanish - $140,400