Helyn, Scion of Contempt

+1: Exile the top card of your library. You may play it this turn. If a spell is cast this way, each opponent loses 1 life.
-2: Select target permanent. Its controller shuffles it into their library, then discards the top card from their library.
-7: Instant and sorcery cards in your graveyard can be played without paying their mana cost until the end of the turn. Your lose 5 life.