Kaya, Intangible Slayer is a rare Legendary Planeswalker — Kaya card from Phyrexia: All Will Be One Promos (PONE), collector number 205p. Current market price: $0.70 (foil $0.50), TCGplayer market prices via Scryfall.
Hexproof +2: Each opponent loses 3 life and you gain 3 life. 0: You draw two cards. Then each opponent may scry 1. −3: Exile target creature or enchantment. If it wasn't an Aura, create a token that's a copy of it, except it's a 1/1 white Spirit creature with flying in addition to its other types.