Goblin Chieftain is a rare Creature — Goblin card from Magic 2012 (M12), collector number 138. Current market price: $4.85 (foil $11.09), TCGplayer market prices via Scryfall.
Haste (This creature can attack and {T} as soon as it comes under your control.) Other Goblin creatures you control get +1/+1 and have haste.