Vraska, Golgari Queen is a mythic Legendary Planeswalker — Vraska card from Secret Lair Drop (SLD), collector number 1702. Current market price: $11.19, 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."