You would get no support for this from me. Thanks to the broken interface, battle rush is utterly unplayable on mobile devices.
Even if it were playable, I would much rather the effort go to preventing broken combinations from ruining the other existing seasonal modes and creating new seasonal modes to encourage more player innovation.
Finally, for me, one of the the three things that most inhibits my enjoyment of the game is the impatience demonstrated by certain players (forfeiting without even playing a card, spamming “hurry up” — sometimes before the interface even recognizes it’s my turn. The only things worse are, in order, the garbage interface that doesn’t recognize actions, that lags so badly I can’t tell whether an action wasn’t recognized or hasn’t been executed, and that often performs actions not desired. And the enormous number of overly powered cards that force excessive removal and eliminate the possibility of interesting, tactical interactions.