Jace, Aged Arcanist

+1: Scry 1. You may instead put a card from your hand on the bottom of your library, and then scry 4.
-3: Return target creature to its owner's hand. If it had mana value 4 or greater, create a 1/2 blue Illusion creature token.
-7: Shuffle your hand into your library, then draw seven cards. You have no maximum hand size for the rest of the game.