Showcase team/fleet

Kudlaty

I understand, that making sand box mode is too expensive ;P but could you please consider at least adding possibility to set up “showcase” team and fleet from player inventory, that would be available to attack for my guild mates and allies? No rewards, just fun and possibility to play with and test different teams. It would be nice if exchanging showcase team/fleet was for free once per day, and after that for some small amount of crystals, maybe 5-10?