Quote Originally Posted by tgva8889 View Post
This doesn't actually sound totally unreasonable. I mean, if you want a good reason to force people to use some non-Starter Pokemon, this might be it. And low-level Dragon-types aren't insurmountable, so you could challenge them with some of the low-level Normal-types. I consider it at least an interesting thought.
It would also have the advantage of not punishing one particular choice. There aren't many other types that don't interact specially with one of either fire, water or grass and not the others (fighting, dark, psychic and ghost, assuming no secondary types like Bulbasaur).