D&D h@ck3r and Hopepunk
I am not sure if it is just me being subversive, but wondered if a Glorantha based Pathfinder could be a thing? 13th Age handled it all very well.
Battle Magic 1st Level Spells or even Cantrips
Rune Magic - Higher Level Magic grouped and themed according to the governing Runes of the god you worship.
Cult Lore - some specialised Feats
Classes lifted fairly straight - with one shot spells available to non-Priests.
Clerics - Runepriests
There might be easier adaptations?