Howard, Ceaseless Devourer

{b}{2}, Sacrifice X creatures; Put X Temptation counters on Howard, Ceaseless Devourer.
{b}{3}, Remove X Temptation counters from Howard, Ceaseless Devourer: Gain control of target creature with converted mana cost of X.
Many perish with one question burned into their mind, "Why name this horror, Howard?"