Minfilia Warde, the Antecedent

At the beginning of your end step, you may
search your library for a non-Eldrazi Scion
creature. If you do, reveal it, put it into your
hand, then shuffle.

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