Garth One-Eye is a mythic Legendary Creature — Human Wizard card from Modern Horizons 2 Promos (PMH2), collector number 197s. Current market price: — (foil $6.36), TCGplayer market prices via Scryfall.
{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)