Hey, Im sorry but i cant honestly answer that at this time without possibly making people dissappointed in case im wrong.
As for the question about Rainbow Magas There is currently no way of getting them except Events and the initial stages of Ultimate training.
I would expect them to pop up in functions soon however
any chance you can give us a better term than "soon"? because for a lot of game companies "soon" can mean anything between a few days to a few years.
also might it be possible to do a "Whats coming up this month" type post for things we can look forward to next month? we don't need you guys to say week one we will release "A" week two is "B", just a general list of things that your trying to change, whether its new features, shop updates, new events(in a general sense, don't need to go into specifics just if something new would be added), new treasures or whatever is happening.