I would say possibly, but it's very unlikely. Since Merlin is a sage whilst the artifact is made by a god and they're probably hinting to the fact that he's working with the princes to do something with the rosen garten. Since one of them joined Krti dont know if he had a hand in the birth of Lin or not but right now it seems quite likely
Well that is a possibility but we can rule it out by the ways the ring grants wishes to a T, so unless you made the most specific script possible to read to the ring or the loosest wish possible like "destroy" (which isn't loose enough) then something like that wouldn't be plausible.What if it's not just Lyn that the ring created, but this world itself is the results of Kriemhild/Giselher wishes?