Prisma Pendant

All nonland cards you control and own in all zones are of the chosen combination.
Whenever you cast a multicolored spell you may add an mana of any type to your mana pool up to 3 times.
Whenever you cast a colorless spell you may gain one life up to 5 times.
Heirloom—Choose between 0 and 5 colors of any combination. You may have your Commander's color identity be that of the chosen combination. (A Heirloom is an artifact/enchantment that can allow you to alter legend)