Thermo-Alchemist is a uncommon Creature — Human Shaman card from Innistrad Remastered (INR), collector number 174. Current market price: $0.38 (foil $0.37), TCGplayer market prices via Scryfall.
Defender {T}: This creature deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap this creature.