Maezerak The Archivist

Vigilance
{x}{u}{r}{t} Counter target Noncreature spell with
CMC equal or less than X.
{x}{u}{b}{t}Counter target Creature spell with
CMC equal or less than X.
When Maezerak enters the battlefield choose
Archives or Spellbook.
Archives allows you to draw from any library
on your upkeep. Spell book allows you to cast
Sorceries at instant speed.