Darian or someone from Supercell

If engineering is going to be the thing in wars, why can't we declare before the war spin what we are bringing into the war. (Example I know that I am not going to use wizards in the war so I exclude them before the match.) The positive is that that I do not carry the weight of them but the downside is that if I change my mind they are unavailable to me. The same would be true for any defense or offense that you do not bring. That way you can play the game the way you want in multiplayer and then only bring what we want into the war. Seems that would put everyone on equal footing in the war grouping. Also war weights will have to become known quantity on selection screen on so everyone can make decision on what weight to bring into that war.
It is only fair to give long time players who maxed to compete on equal footing in wars with the newer accounts that engineer.