Client getting stuck when timing out with one target selected for compulsorily multi-target spell (Sylvan Smite)
I was playing a game of Brother's War Alchemy (yes, this was a long time ago - I tried to submit a ticket then, but I couldn't log in with either Chrome or Firefox to access this page - the same problem persists, but this time I decided to try Edge when reporting another bug and it worked for some reason - and then remembered this old bug; the "sign in" button on this page:
https://mtgarena-support.wizards.com/hc/en-us/signin?return_to=https%3A%2F%2Fmtgarena-support.wizards.com%2Fhc%2Fen-us%2Fsignin%3Freturn_to%3Dhttps%253A%252F%252Fmtgarena-support.wizards.com%252Fhc%252Fen-us%252Farticles%252F115004569843-Report-a-Bug
just brings back to the same page itself that the button is on)
Anyway, sorry for the tangent...
I was playing a premium draft game, when attempting to use Sylvan Smite in the middle of combat. I had selected one target, but not the other, when I ran out of time outs (rope). What happened was that the gameplay moved on, but the Sylvan Smite remained on-screen, prompting me to select the other target, but not allowing me to select any. This lasted a few turns (me being unable to take any game actions) until the game ended.
During some earlier set I had experienced the same bug (even on a different computer and operating system, MacOS vs Windows) when timing out while having one target of a multi-target spell selected, resulting in a state where I could no longer interact with the client for the rest of that game, with the client showing the timed-out multi-target spell as if still on stack.