few reasons
one: why serch for and revive an uchiha whos only advange would mess up kakashi and give you a two tomoe sharingan when you can go and look for madar uchihas corpse instead.
two: he's body is crushed under rocks somewhere in iwa he is flat and once again all he has is a two tomoe sharingan
and 3: what jutsus could he possably bring the only thing he can do is mke kakashi get super pissed off like he did with zabuza or make kakashi to afird to fight him and kill kakashi ( whichain't possable his only jutsu is the fire ball jutsu)
one: why serch for and revive an uchiha whos only advange would mess up kakashi and give you a two tomoe sharingan when you can go and look for madar uchihas corpse instead.
two: he's body is crushed under rocks somewhere in iwa he is flat and once again all he has is a two tomoe sharingan
and 3: what jutsus could he possably bring the only thing he can do is mke kakashi get super pissed off like he did with zabuza or make kakashi to afird to fight him and kill kakashi ( whichain't possable his only jutsu is the fire ball jutsu)