Mica, Reader of Ruins is a uncommon Legendary Creature — Human Artificer card from Secrets of Strixhaven (SOS), collector number 124. Current market price: $0.22 (foil $0.29), TCGplayer market prices via Scryfall.
Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Whenever you cast an instant or sorcery spell, you may sacrifice an artifact. If you do, copy that spell and you may choose new targets for the copy.