Board Game Arena

The rules say that there are 105 materia tokens in the bag divided into 7 colors (15 of each). I assume this means that there should be 5 of each type? I.e. 5 white square, 5 white triangle, 5 white circle etc? Or are there more circles than triangles than squares?

I think really the answer is drafting. That removes a lot of the variability in here. But yeah, probably just removing favorite zoo, because it's pretty much the only one that's a guaranteed 4. Reducing the requirements for aquatic, climbing, and probably architectural zoo would make them less of a ...