[Discussion] Kabuto made Madara young but Edo Tensei restored his Rinnegan vs Sharingan?

[AbukariDogMan]

Though madara already awakended the reningan before his death, kabuto and orichamrou figured out a way to make their own rengingan and that is what amdara have, if you go back to the chapter where he first uses it to summon the meteor you will see kabuto bragging about it, though madara tells him that this isnt his creation because he had already done it in his lifetime.

[Samisa]

but how did they get his body when it was underground in his secret lair?