Other Goblin creatures you control attack each combat if able. At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste. Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.
Near Mint - $1.20
Lightly Played - $1.10
Played - $0.90
Heavily Played - $0.80
Damaged - $0.60
Near Mint Non-English - $1.20
Lightly Played Non-English - $1.10
Played Non-English - $0.90
Heavily Played Non-English - $0.80
Damaged Non-English - $0.60