Vivien, Arkbow Ranger is a mythic Legendary Planeswalker — Vivien card from Core Set 2020 Promos (PM20), collector number 199p. Current market price: $2.02 (foil $2.68), TCGplayer market prices via Scryfall.
+1: Distribute two +1/+1 counters among up to two target creatures. They gain trample until end of turn. −3: Target creature you control deals damage equal to its power to target creature or planeswalker. −5: You may reveal a creature card you own from outside the game and put it into your hand.