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.)
"Is that your coat of arms? Looks more like a shawl of branches to me!"
—Andreas the Imprudent, last words
Near Mint - $13.70
Lightly Played - $11.00
Moderately Played - $9.60
Heavily Played - $8.30
Damaged - $6.90
Near Mint Spanish - $13.70
Lightly Played Spanish - $11.00
Moderately Played Spanish - $9.60
Heavily Played Spanish - $8.30
Damaged Spanish - $6.90