The Infinite Void

{t}: Tap five of your opponent's mana sources
{t}, sacrifice a noncreature permanent you control: Untap five mana sources you control
{t}, exile The Infinite Void (or exile five nonland permanents you control): Add {u}{u}{u}{u}{u}{b}{b}{b}{b}{b} to your mana pool
{t}, exile five mana sources, exile The Infinite Void: Add {u}{u}{u}{u}{u}{u}{b}{b}{b}{b}{b}{b}{b}{b}