Zerafier, Seeking Demon

+1: You may have zerafier deal 3 damage to any target, if you do each opponent discards a card and you lose 2 life.
-2: Each player loses life equal to the number of creatures that player controls.
-8: You get an emblem with "Whenever a creature or planeswalker enters the battlefield this emblem deals 7 damage to that creature or planeswalker."