Mizzix's Mastery

Exile target card that's an instant or sorcery
from your graveyard. For each card exiled
this way, copy it, and you may cast the copy
without paying its mana cost. Exile Mizzix's
Mastery.
Overload {5}{r}{r}{r} (You may cast this spell
for its overload cost. If you do, change its text by
replacing all instances of "target" with "each.")