Vivien Reid is a mythic Legendary Planeswalker — Vivien card from Core Set 2019 (M19), collector number 208. Current market price: $0.49 (foil $3.67), 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."