Just as a heads up, I wouldn’t go too far down the mod rabbit hole just yet, as next week we’ll be getting a patch and expansion; a lot of mods could break or need updates. If you can hold off until after the patch, you won’t have to immediately start redownloading things. CAS items will probably be fine, and all the major modders frequently have updates within a few days (no guarantees, of course).
Maxis Match CC World on tumblr is a great starting place for cc. Under navigation, you can look for specific categories like men’s everyday and witch/spellcaster.
Since you don’t like the RoM situational outfits, there is a mod that should disable them: https://deichschafblog.de/bienchen/outfit-mods-outfit-mods/
There’s two versions, so just install one.
