Etun'jor, The Bound

Partner with Kelor, the Cursed
Flying
Wizards you control get +0/+3.
{u}{u}{u}, {t}: If you have seven or more instant or
sorcery cards in your graveyard, exile the top
card of your library. You may cast it this turn if
it's an instant or sorcery. Exile all cards from
your graveyard.