He would be exactly how he is now but without Edo Tensei benefits.
He would be severally weaker.... He prob wouldn't have been able to beat the kages at once
Why
Ok Edo tensi brings ur soul back in artificial body at ur prime
Rinni tensi just brings u and ur soul fully back to life in real body meaning reg amount of chakra and reg amount of stamina
(Also in his reg form he wouldn't have kurama cuz it is sealed in Naruto and it seems reg madara's fighting style consists of kurama or atleast a good amount of what we've seen from reg madara kurama has always been part of it
Why he would b severally weaker and wouldn't b able to have beaten kages
One no infinite stamina
2 no infinite chakra
3no regenerative abilities
4 he wouldn't have had his eyes (he gave them to nagato when he found obito he was using different eyes because he had already implanted his eyes into nagato) there for he would have had at best MS or perhaps ems
5. No mokoton (tht means most likely no Susanno clones because it said specifically tht he was using mokoton clones its prob cuz they were more durable
6. If he wouldn't have had rinnigan (I already explain why he wouldn't have had his eyes) ( I'd don't think he would've been able to do the metors in first place idk if thts ems or rinnigan it's seems like the latter cuz nagato had similar tech just adding gravity to it)
With all tht being said idk If it would've been enough to take out all 5 kage like he did because tbh calling a spade when it's a clover
Kages were giving him a fight (was he underestimating them yes and thts his fault he knew what the Edo tensi's side effects were but thts not the kages fault never underestimate opponent)
Gaara caught him with help Ay Mei was about to seal his ass but he saved himself through via mokoton
Onooki tht first Jinton basically blasted half his upper body but because of via Edo tensi he was able to regenerate
When onooki did tht gigantic Jinton to destroy 26 susannos again he was saved by Edo tensi
Plus if u combine all kages together they would have had more chakra and stamina way more
Or even just gaara alone should have the same amount of stamina as reg madara and more chakra for being former junjuruchi
I'm not saying madara is weak he's stronger then all te kages but if he didn't have Edo tensi he would've been defeated
Because his ego still would hav been the same and he would've underestimated the kages anyway
Would he have used PS right from get go I don't think so because in madara's head only hashirama is a challenge for him.... So yeah he would've gone into the match looking
Smug... And already underestimating...