What Makes a Great Magic System?

[David Johnston2]

Originally Posted by Peter Knutsen

A narrow-thinking brain, a few-track brain, is always a problem.

The only magician-protagonist in the Matter of Britain is Merlin, and only before Arthur takes the throne. Other than that, they are all opponents or somewhat helpful bystanders. While I personally am not interested in Pendragon roleplaying I can't fault the first edition for it's faithfulness to the source material.