The Masters Mana Rock

The Masters Mana Ball comes into play with {x} mana counters on it, you gain {x} poison counters, and lose {x} life each of your
upkeeps.
{t}: Add {w}{u}{b}{r}{g} to your mana pool.
{t}: Remove a mana counter, add
{w}{w}{w}{w}{w}{u}{u}{u}{u}{u}{b}{b}{b}{b}{b}{r}{r}{r}{r}{r}{g}{g}{g}{g}{g}
"It can't go on."