In this scenario both are unnerfed, meaning they will use whatever jutsu and feats they have shown in both the anime and manga. Who do you think will win and why.
Madara shown he can do Mokuton, Susano, etc then he can use as a Juubi Jin an example.
Madara shown he can do Mokuton, Susano, etc then he can use as a Juubi Jin an example.