I didn't include Gaara because he already protected the village from Deidara and would probably be one of the best kages to protect the village.

Oh you mean protecting the village from the C3 explosion.

1. Gaara (if he’s in the sand village)

2. Tsuande with her summoning like during pain fight

3. Ohnoki

4. Raikage

5. Mei

.

Tsunade