Vraska, Betrayal's Sting is a mythic Legendary Planeswalker — Vraska card from Phyrexia: All Will Be One (ONE), collector number 115. Current market price: $5.35 (foil $5.23), TCGplayer market prices via Scryfall.
Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.) 0: You draw a card and lose 1 life. Proliferate. −2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities. −9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.