Teferi, Mage of Zhalfir is a mythic Legendary Creature — Human Wizard card from From the Vault: Legends (V11), collector number 13. Current market price: — (foil $6.74), TCGplayer market prices via Scryfall.
Flash Creature cards you own that aren't on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery.