While I think that seven mana is expensive to get something that does nothing on its own, you can always cast Fractured Realm first and then cast Mirror Room in order to make two Reflections for the price of one
The Quiet Years (20002003) After the disasters that were Urza's block and Tempest block, Wizards seemed to learn their lesson and change philosophies when it came to Standard: rather than printing any crazy thing that popped into their head, they would actually try to design cards in a way that would reduce (and hopefully eliminate) the need to ban cards in Standard
As for finding means of getting better options for the colored mana side of things, try cards like Chromatic Lantern, Prismatic Omen, and Dryad of the Ilysian Grove
If you are on iPhone and the white-background requirement or foil glare on other apps has been frustrating you, start with Lotus Scan it is built specifically to avoid both of those problems, though it is a smaller app with a smaller community than the cross-platform options below
I have seen quite a few variations that play four Zetalpa, Primal Dawn and zero Chromanticore, but the truth of the matter is that your deck only has a handful of spells that actually matter
