Baal, Havoc's Vanguard

Baal, Havoc's Vanguard costs {x} less where X is the total damage dealt to opponents this turn.
Whenever a creature you control dies, Deal 1 damage to target opponent and create a 1/1 red Devil creature token.
{b}{r}, {t}, Sacrifice a creature: Deal damage to target creature equal to the sacrificed creature's power.