Vivien Reid is a mythic Legendary Planeswalker — Vivien card from Foundations (FDN), collector number 361. Current market price: $2.21 (foil $5.98), TCGplayer market prices via Scryfall.
+1: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. −3: Destroy target artifact, enchantment, or creature with flying. −8: You get an emblem with "Creatures you control get +2/+2 and have vigilance, trample, and indestructible."