Arzner the Faceless

Arzner, the Faceless enters the battlefield tapped and has deathtouch and menace
When Arzner, the Faceless enters the battlefield, you reveal twenty cards and choose seven. Put the rest on the bottom of your library.
When Arzner, the Faceless is untapped, you draw two cards and lose two life. When an opponent discards a card, they lose two life and you gain two life or you draw two cards.