If the mitzvah of timcheh goes further than that, and is not delineated by the pasuk of v’hacharamtem, we’re back to square one i.e. it’s not delineated at all and the Torah’s reference to it ensures that it can never be fulfilled.
My bar-mitzvah pshetel was on the Korban Olah but if I ever have to suggest a topic to another parshas zachor kid I know what to recommend. 🙂