Everflowing Chalice

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.
{t}: Add {c} to your mana pool for each charge counter on Everflowing Chalice.
Many come from far off lands to drink from the source of all rivers.