Welcome to Geekhack!
MX clears are great! Zealios are like refined clears, so you can't go wrong there
There doesn't seem to be a lot of love for jelly POM keycaps, however there have been some sales in the past.
There is the currently running (and somewhat overdue)
group buy - assuming these are eventually produced, you might find someone who ordered a white set and wants to give up their place in the GB.
There's a vote on Massdrop - add your voice and it might eventuate:
https://www.massdrop.com/vote/jelly-pom-keycap-setThey seem to pop up on eBay sometimes.
And if you can get 25 posts and membership of 2 months, you can create a WTB thread in classifieds.