Hurkyl, Master Wizard is a rare Legendary Creature — Human Wizard Advisor card from The Brothers' War Promos (PBRO), collector number 51s. Current market price: — (foil $0.62), TCGplayer market prices via Scryfall.
At the beginning of your end step, if you've cast a noncreature spell this turn, reveal the top five cards of your library. For each card type among noncreature spells you've cast this turn, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order.