Clan War Deck Builder

It would be amazing to have a deck builder for wars.

The main improvement would be a suggestion based on your card levels. For example: I have 40 maxed cards > the builder should show me the best combinations of those 40 cards + some integrations also level based

Same thing for pre-made decks. I might want to use 2 decks I’m confident with and the system should give me the two best complementary decks with the remaining cards also based on levels. Now I can do something similar putting the cards of the two decks I want to play in the “include” section, but usually the system messes up and spread them in different decks