Well.. Tehnically speaking, mystic flour cookie is just a cookie meanwhile ultra_godzilla is an (idk) Also because ultra_godzilla is like- a lot more bigger than mystic flour cookie, so basically ultra_godzilla can easily eat mystic flour cookie, even though mystic flour cookie can return cookies to flour, im not sure if she can do that to beings that are not food So uh Final answer: Ultra_godzilla