Spawn of Mayhem

Spectacle {1}{b}{b} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)
Flying, trample

At the beginning of your upkeep, Spawn of
Mayhem deals 1 damage to each player. Then
if you have 1 0 or less life, put a +1/+1 counter
on Spawn of Mayhem