Kaya, Ghost Assassin is a mythic Legendary Planeswalker — Kaya card from Conspiracy: Take the Crown (CN2), collector number 222. Current market price: — (foil $27.74), TCGplayer market prices via Scryfall.
0: Exile Kaya or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of your next upkeep. You lose 2 life. −1: Each opponent loses 2 life and you gain 2 life. −2: Each opponent discards a card and you draw a card.