Hearthstone Battlegrounds Crashing on Mac Pros with RX 6900

I have two Macs with with Radeon RX 6900 that are crashing when playing Battlegrounds. One Mac Pro has a W6900X and the other has a PowerColor 6900 XT. Both fail in the same way. The game works for a while but as the game progresses, the game will freeze up. Sometimes, the game will recover but only for a while. Other times, the game will freeze and need to be force quit. Most times, the music keeps playing, I can move the mouse, sometimes I can switch apps.

I haven’t been able to recreate the problem on any M1 or M2 Macs. I cannot replicate the same issue with the RX 580 GPU.

The same process shows up in Console every time this happens. It is DumpGPURestart.
Subsystem: com.apple.crashreporter.writereport.gpuRestart Category:
com.apple.message.domain: com.apple.crashreporter.writereport.gpuRestart
com.apple.message.signature: Kernel
com.apple.message.signature2: UNBUNDLED ||| kernel ((null))
com.apple.message.signature3: UNKNOWN
com.apple.message.result: noop
com.apple.message.summarize: YES
SenderMachUUID: D974EFAB-0C64-3C75-B55C-8733AE1CF215