If you could change/add one thing to Clash...

[DeceptiveCreed]

Save an army composition, queue a composition etc. It's ruled out, but it would make things much easier if you like to have precise army build.

Oh and dark elixir storage becomes immune to lighting. I hate those dark elixir zappers.

[swinggcat]

They should add incentives.
"log on everyday for a week and receive 10 gems"
"Win 20 attacks in a day for 5 gems"
"Donate 100 troops in a day for 5 gems"

you get the idea.