I enjoy clerics without gods

[Aaron L]

Devil's advocate: What about Chaos? Is magic governed by "rules" and "law" on the plane of Limbo?

Minor nitpick. Not really important, of course.

Of course. Just because Limbo is a house of Chaos doesn't mean that the plane ignores the multiversal laws of all the other planes. You can still enter and exit it, but while inside your magic would be subject to its chaos