Ozin, Nexus Lord

Flying
Whenever you cast an instant or sorcery spell,
if Ozin has attacked this turn, instead
exile it with a unity counter on it.
You may cast instant or sorcery spells you own in
exile with unity counters on them for {u}{u}. Only
mana from treasures may be used to cast these
cards. If you cast it this way, copy it. You may
choose new targets for the copy.