Check that the crash reason was not for having zephrys + sphere of sapience in your deck, or for having only zephrys but the enemy having sphere of sapience too:
Excuse me, but WHAT KIND OF DEVELOPERS YOU ARE?.
Are you going to fix someday the Zephrys bug that makes this game unplayable due to constantly crashes since November 2, 2021?.
Why yesterday you did a “Maintenance service” and still didn’t fixed this bug?.
This deck you can try, it is unplayable due the game is crashing most (not all) of the times when: 1. Playing your own Zephrys or 2. Your opponent playing Zephrys (it can crash / make disconnects both users) or random crashes I think when: …