Workshop Warchief is a rare Creature — Rhino Warrior card from Game Day Promos (GDY), collector number 5. Current market price: — (foil $0.45), TCGplayer market prices via Scryfall.
Trample When this creature enters, you gain 3 life. When this creature dies, create a 4/4 green Rhino Warrior creature token. Blitz {4}{G}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)