Unpredictable Archmage

Hexproof
Unpredictable Archmage cannot be countered.
When Unpredictable Archmage enters the battlefield, you may search your hand, and/or graveyard for an instant or sorcery spell and exile
it.
{2}{u}{u}{t}: Cast the spell exiled by unpredictable archmage without paying its mana cost.
{2}{u}{u}: Unpredictable Archmage phases out.