Why didnt they just use...

[Henchman24]

Thats Multi-shadow clone thats in thee scroll



I doubt that very highly, Madara isnt the type to do surprise attacks like that. His one and only interest from the start was hashi

You must be registered for see links

Naruto reads off the first justu in the forbidden scroll. It says shadow clone not multi shadow clone.

You can doubt if Madara will attack or not. It's the not knowing that they need to be prepared for.