Olvier, sadistic nerd

+2: draw a card, then each opponent discards a card.
-3: Exile target card from a graveyard. Until end of turn, you may play that card, and you may spend mana as mana of any coloer to cast it.
-12: You get an emblem with "you have no maximum hand size." draw 7 cards, then each opponent discards 7 cards