How many movies have Tosca Menten and Yahya Gaier collaborated on?

They have worked on 2 movies together! Their first movie together was Dummie the Mummy and the Sphinx of Shakaba (2015) while their highest rated movie together was Dummie the Mummy and the Tomb of Achnetoet (2017). They have not worked together since Dummie the Mummy and the Tomb of Achnetoet (2017).