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."
Near Mint - $14.75
Lightly Played - $14.00
Moderately Played - $11.25
Heavily Played - $9.00
Damaged - $6.00
Near Mint Non-English - $14.75
Lightly Played Non-English - $14.00
Moderately Played Non-English - $11.25
Heavily Played Non-English - $9.00
Damaged Non-English - $6.00
Foil Prices
Near Mint Foil - $37.25
Lightly Played Foil - $35.50
Moderately Played Foil - $28.00
Heavily Played Foil - $22.50
Damaged Foil - $15.00
Near Mint Foil Non-English - $37.25
Lightly Played Foil Non-English - $35.50
Moderately Played Foil Non-English - $28.00
Heavily Played Foil Non-English - $22.50
Damaged Foil Non-English - $15.00