Kianne, Corrupted Memory is a mythic Legendary Creature — Illusion card from Duskmourn: House of Horror Commander (DSC), collector number 2. Current market price: $0.45 (foil $0.38), TCGplayer market prices via Scryfall.
As long as Kianne's power is even, you may cast noncreature spells as though they had flash. As long as Kianne's power is odd, you may cast creature spells as though they had flash. Whenever you draw a card, put a +1/+1 counter on Kianne.