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} for each charge counter on Everflowing Chalice.

First strike, menace, trample Partner (You can have two commanders if both have partner.)

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.