Potion of Pain and Suffering

This card comes into play tapped. It doesn't untap during untap steps.
Pay 5 life and untap Potion of Pain and Suffering.
{t}; Pay 5 life, add {w}{w}{u}{u}{b}{b}{r}{r}{g}{g} to your mana pool.
This will cause great suffering to all that behold its power, but those who can wield it gain great rewards