Heather Mason, Silent Hil

+1: Each player draws a card, then discards a card. If a creature card is discarded this way, put a loyalty counter on Heather Mason.
-2: Search your library for a Silent Hill-themed creature card, reveal it, and put it into your hand. Then shuffle your library.
-7: Each opponent discards their hand, then returns the highest converted mana cost creature card from their graveyard to the battlefield.