The Exanimate Scourge

Deathtouch, Menace, Trample
Whenever a creature you don't control dies,
that creature's controller loses life equal to it's converted mana cost.
{u}{b}{r}{g}, Pay 7 life: Return The Exanimate Scourge from your graveyard to the battlefield. It gains haste. Sacrifice it at the beginning of your end step.