Vraska, Golgari Queen is a mythic Legendary Planeswalker — Vraska card from Guilds of Ravnica Promos (PGRN), collector number 213p. Current market price: $5.34 (foil $6.14), TCGplayer market prices via Scryfall.
+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card. −3: Destroy target nonland permanent with mana value 3 or less. −9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."