Lorelia, Trail Blazer

+1: Tap up to one target creature, it doesn't untap during it's controller's next untap step. Draw a card, then discard a card.
-1: Destroy target artifact, Lorelia, Trail Blazer deals 2 damage to that artifacts controller.
-7: Each player shuffles their hand and graveyard into their library and then draws seven. Lorelia, Trail Blazer deals 7 damage to each opponent.