Misty, Water Trainer

+1: Draw a card, then discard a card. If a creature card is discarded this way, Misty, Water Trainer deals 2 damage to each opponent.
-1: Scry 1. Misty, Water Trainer deals 3 damage to target creature.
-7: Misty, Water Trainer deals 6 damage to target opponent and each creature that player controls.