Jubi's Sharingan

[Supa]

I believe Madara intends to use the Jubi's 9-tomoe Sharingan on the moon and it's light will reflect towards Earth [Theory].

Jubi=Genjutsu's origin.
Rikudo=Ninjutsu's origin.

 

[Dean Kaguya]

Yeah, he explained it to the Kages at the 5 Kage Summit

 

[-Liquid Cefka-]

uhh..yeah, its the Moon Eye Plan.
Madara explained this loong agao.