Combustible Gearhulk is a special Artifact Creature — Construct card from Kaladesh Inventions (MPS), collector number 4. Current market price: — (foil $66.04), TCGplayer market prices via Scryfall.
First strike When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.