Niv-Mizzet, Zomnivpresent

Flash, flying, haste
Mizziumortus (If any of this creature's abilities
would trigger on the battlefield, and it's in your graveyard, you may cast it from your graveyard.)
Whenever a player draws a card, or discards a card,
Niv-Mizzet deals 1 damage to any target.
{t}: Each player draws a card, then discards a card.