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SlightlyWinged
The question is, are you willing to spend the gems to buy glimmer? Because if you are, then you should easily be able to make two grandparent pairs (
here's a dragon search I set up). Just make sure that for each pair you have colours on either side of your goal. So for the primary for example you would want one grandparent to be between metals and peach and the other to be between peach and carrot.
If you'd rather breed glimmer in, things get a bit more tricky, but still certainly do-able. There are few enough dragons with close colours and with glimmer that I would probably start with great-grandparents. You can widen your search to ten colours off, but again make sure each pair includes the goal in their range.
This is a nice simple tool to help you double check if you're not sure. This time though, you'll also need to make sure that each pair has glimmer and that any that do not have glimmer have a rare tertiary gene. Those are circuit, eclipse, filigree, glowtail, koi, opal, soap, stained, and wish. You will want to prioritize hatchlings that inherit glimmer when you are pairing up the next generation.
Personally, I wouldn't worry about breeding in nocturne, chorus, or myrad. The first and last are cheap to obtain, and the primary is a fairly new treasure gene, so it is likely to be difficult to come by.
Also, when making your pairs, make sure that all of your breeding stock are modern breeds, or they won't be compatible!
Let us know if you have any other questions!