Thorin, King of Durin's Folk is a rare Legendary Creature — Dwarf Noble card from The Hobbit Commander (HOC), collector number 3. Current market price: $5.20 (foil $5.47), TCGplayer market prices via Scryfall.
Whenever Thorin or another Dwarf you control enters, create a Treasure token. Other Dwarves you control get +1/+0 for each artifact token you control.