Hall of Power

{t}: Add {w}{w}{w}{w}{w}{1}, {w}{w}{w}{w}{g}{1}, {w}{w}{w}{r}{g}{1}, {w}{w}{b}{r}{g}{1}, or {w}{u}{b}{r}{g}{1} to your mana pool.
Destroy each artifact as it enters the battlefield.
"Welcome! Now just allow me to steal all of your life force."