Teferi, Timeless Voyager is a mythic Legendary Planeswalker — Teferi card from Core Set 2021 (M21), collector number 324. Current market price: — (foil $1.18), TCGplayer market prices via Scryfall.
+1: Draw a card. −3: Put target creature on top of its owner's library. −8: Each creature target opponent controls phases out. Until the end of your next turn, they can't phase in. (Treat them and anything attached to them as though they don't exist.)