Izzet Incarnifex

Flying
When you cast Izzet Incarnifex, search your library for a nonpermanent spell and exile it imprinted on Izzet Incarnifex.
Whenever you cast a spell with a lower mana cost than the one imprinted on Izzet Incarnifex, you may exchange the two and choose new targets for it. Flip a coin. If you lose, counter it.