Serum Glimpse
U
Sorcery
Scry 2.
Spell mastery -- If you have 2 or more instant and/or sorcery cards in your graveyard, draw a card.
Something that many were eagerly thinking of when spell mastery was spoiled. Wizards doesn't like printing excessively accessible blue cantrips. So, why not half a Preordain that reaches its full potential (and the other half of its card text) past the first few turns?