Imagine Madara with kamui and all of it's variants as his MS abilities.
We have:
MS Madara: With kamui and susanoo
EMS Madara: Kamui and PS and kyuubi
Rinnegan Madara: With kamui, PS, kyuubi and all the rinnegan abilities
3 Rinnegan Juubi Jin Madara with all of the above and limbo and shit...