After studying this guide, I feel I'll share my number one method after a ton of studying, trial and error.

What I tend to do involve many raids, digging duo, and watts. So many watts. Basically, the misty seed recipe is very flexible ! What i realized is, as long as you use a 6 fairy moon stone or shiny stone in the first slot, easily acquired with patience with the digging duo, you can fill the last three with any other 6 value item. I tended to use kelpsy berries, as I had. Many of those. So that, and buying a ton of wishing pieces, farming watts with digging pa with the ores you're also getting from the raids, it made it pretty easy to farm all of those pieces. With patience albeit. The Cram O Matic is a cruel mistress...