We are able to attack in war 6 times so it is only right we should be able to save 6 teams not 5!! Kinda defeats the purpose of giving teams 6 chances
check the shop…under resources
Additional team slots can be purchased in the Shop if you wish. You can also just level and use heroes for War without them being on a team.
This has also been suggested before in context of War many times, for example:
As this thread is a duplicate, it will be closed.
Duplicate thread. Please see notes above about ability to purchase additional team slots, and existing threads proposing increasing slots available based on War.