Agatha, Capricious Youth

+2: Draw a card, then discard a card. If a nonland card is discarded this way, Agatha, Capricious Youth does 1 damage to any target.
-2: Search your library for three cards with different names. Your opponent chooses one. Put that one in your hand and the rest in your graveyard.
-7: Each opponent discards 3 cards. You may cast spells this turn without paying their mana costs.