The images you will see below aren't showing an already made client, this is all just a product of my imagination thrown in a photoshop, something that I hope to see in the actual game one day, hopefully done by devs, and if not, then by someone who makes custom public clients. So here goes nothing:
First of all get rid of the hotkey bar and replace it with something like this...










Feel free to add to it, i might eventually add some more stuff to it, or just make a new post later with more UI ideas. And just wanted to add an advance response for people who would say something like "QQcumber but i dont want people to see my deck moves because deck building is a rocket science" sadly there aren't that many good abilities anyways, and deck building is not a rocket science...