The Theorist, Jace Beleren

At the beginning of each opponent's draw step, you draw a card.+1: Create a 1/1 blue Illusion creature token.−2: For each opponent, return up to one target artifact or creature that player controls to its owner's hand.−6: Draw three cards. Then put X +1/+1 counters on each creature you control, where X is the number of cards in your hand.