Hellspur Posse Boss is a rare Creature — Lizard Rogue card from Outlaws of Thunder Junction Promos (POTJ), collector number 128s. Current market price: — (foil $0.39), TCGplayer market prices via Scryfall.
Other outlaws you control have haste. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) When this creature enters, create two 1/1 red Mercenary creature tokens with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."