Pyrewood Gearhulk is a mythic Artifact Creature — Construct card from Aetherdrift Promos (PDFT), collector number 216p. Current market price: $1.90 (foil $5.00), TCGplayer market prices via Scryfall.
Vigilance, menace When this creature enters, other creatures you control get +2/+2 and gain vigilance and menace until end of turn. Damage can't be prevented this turn.