Aminatou, the Fateshifter is a mythic Legendary Planeswalker — Aminatou card from Secret Lair Drop (SLD), collector number 1421. Current market price: $25.65, TCGplayer market prices via Scryfall.
+1: Draw a card, then put a card from your hand on top of your library. −1: Exile another target permanent you own, then return it to the battlefield under your control. −6: Choose left or right. Each player gains control of all nonland permanents other than Aminatou controlled by the next player in the chosen direction. Aminatou, the Fateshifter can be your commander.