Minfilia, the Antecedent

When you cast this spell, you may search your
library for any number of non-Eldrazi Scion
cards and exile them. You may cast those
cards for as long as they remain exiled.

{w}{u}{b}{r}{g}: Add seven mana of any color.
Spend this mana only to cast non-Eldrazi
Scion spells.