Jace, Unhinged Scholar

+1: Target player puts the top 2 cards of their library into their graveyard or they lose 2 life.
-3: Whenever you play a card this turn target player puts the top X cards of their library into their graveyard where X is that card's mana cost.
-7: You may play any card from your hand without paying it's mana cost until end of turn.