Zur the Enchanter is a rare Legendary Creature — Human Wizard card from Dominaria Remastered (DMR), collector number 206. Current market price: $1.49 (foil $1.31), TCGplayer market prices via Scryfall.
Flying Whenever Zur attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.