Shared Marvels

Multikicker {u}{r} (You may pay an additional
{u}{r} any number of times as you cast this spell.)
Gain control of target artifact until your next
turn. Its owner creates a colorless Treasure
artifact token with "{t}, Sacrifice this artifact:
Add one mana of any color to your mana pool."
Cast a copy of that spell for each time it was
kicked. You may choose new targets for the copy.