My point was that for people that have never seen MtG Arena before, it's non-obvious that there's more going on off-screen. A more intuitive UI would make that

My point was that for people that have never seen MtG Arena before, it's non-obvious that there's more going on off-screen. A more intuitive UI would make that situation more explicit and not require explanation. As you've rightly pointed out, a better UI isn't going to solve the UX issue of ridiculous game state; but it could better depict the state itself.