Larry, God of Power

Deathtouch, lifelink, menace
When Larry, Agent of Chaos enters the battlefield, destroy all nonblack creatures that opponents control. Gain 1 life for each creature destroyed this way.
At the beginning of your upkeep, sacrifice Larry,
Agent of Chaos unless you pay {b}{g}{w}.
{t},{b}{b}{b}, Pay 2 life: Destroy target creature or planeswalker.
{t}: Add {b}{b}{w}{w}{g} to your mana pool.