Hmm.
I think that varies per individual preference.
Personally, this has given me open-ended blessings. 
I like to put it in a stack of luck/abundance, I know they all work in synergy.
My experiments keep expanding as well, as per my intuition of which ones to pair, or play stand-alone.
Also, it depends on your need, some luck fields are very specific (ie Lucky wealth, etc)
Here’s a list of them all:
https://forum.enlightenedstates.com/t/the-luckiest-luck-fields/64732