Yes, that's the true "Immortal" team.
However, it's still pretty pricey to get 3* Kyuubi Naruto.


Anyway on topic. Just change the formation and it'll be overall a great team.

Sailor Sakura X X
X X X
Water Main, KazeKage Gaara, Sage Naruto

Protects Sakura+Gaara and if they get through the Sage clone, you get stat bonus. It's roughly the same team I'm running, except I run Mei instead of Gaara.
Gucci