Gandalf the Grey is a rare Legendary Creature — Avatar Wizard card from Tales of Middle-earth Promos (PLTR), collector number 207s. Current market price: — (foil $20.05), TCGplayer market prices via Scryfall.
Whenever you cast an instant or sorcery spell, choose one that hasn't been chosen — • You may tap or untap target permanent. • Gandalf deals 3 damage to each opponent. • Copy target instant or sorcery spell you control. You may choose new targets for the copy. • Put Gandalf on top of its owner's library.