Chazmon, Reality Creator

+2: Create two 1/2 blue Illusion creature tokens with flying and "When this creature becomes the target of a spell or ability, exile it."
-3: Exile X cards from your graveyard, then you may cast a card exiled with Chazmon with converted mana cost X or less without paying its mana cost.
-12: Exile the top five cards of your library. You get an emblem with "During each of your turns, you may cast up to two cards exiled with Chazmon."