Eternal Archmage

Hexproof, Indestructible
Eternal Mastery- If "Eternal Archmage" is in your opening hand, you may exile it. If you do, you may cast spells any color spells as though they had flash for as long as "Eternal Archmage" is exiled.
Arcane Ascension -Once per turn, you may pay {1} and tap "Eternal Archmage":
Search your library for a permanent card and put it onto the battlefield. Shuffle your library afterwards.