By getting a copy of Restrictions May Apply: Building Limits for Your Magic, you’ve already taken some big steps towards building better magic systems. There is, of course, always more to learn.
Developing effective limitations for your magic is important, but it is only one piece of the process. Between setting magic-system variables, exploring types of systems, generating new ideas, and blending it all into a story, there’s far more to discuss than I could ever fit on my blog alone.
Fortunately, we have other options.