If this is not the place for this just let me know please. I would like to know what mods, Emoniph or you the moderators, most like to use in conjunction with Witchery. I hate to ask for plugs to other mods on your thread but would love to see the other mods that best fulfill the Witchery vision. Thank you for your time.
Ars Magica 2
Those are the mainstays which will give you plenty of arcane stuff to play around with besides this mod of course.
I'm pretty sure thaumcraft and bloodmagic at least have plenty of add-ons and plug-ins too.