Niv-Mizzet, Ignus Maxima

Flying, trample
Whenever Niv-Mizzet, Ignus Maxima attacks, it deals 1 damage to each opponent. If Niv-Mizzet, Ignus Maxima would attack alone, create two 3/2 blue and red Elemental creature tokens with haste and "at the beginning of your end step, exile this card."
{u/r}{u/r}{u/r}: Niv-Mizzet, Ignus Maxima deals 2 damage to target creature or player. If that damage would kill that creature, instead exile it. If it would kill a player, you win the game.