Tomakul Scrapsmith is a common Creature — Human Artificer card from The Brothers' War (BRO), collector number 153. Current market price: $0.09 (foil $0.27), TCGplayer market prices via Scryfall.
When this creature enters, mill three cards. You may put an artifact card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on this creature. (To mill a card, put the top card of your library into your graveyard.)