If you are encountering a problem when attempting to start MTG Arena, please see if the following helps.
- Update your Graphics Drivers
- Check in your Nvidia Control Panel (Nvidia) or Catalyst Software (AMD) and see if your computer is using the proper graphics card
- If you've made any customizations related to MTG Arena in C:\Windows\System32\Drivers\etc\hosts, remove those.
- Uninstall and reinstall the game
- If you have Citrix installed, uninstall it and install Citrix Workspace build 1810.
- If you have Killer Network Manager installed, temporarily uninstall or disable it.
If you continue to have issues, please submit a ticket by going here.