We are seeing no further issues, so we are marking this as resolved. For additional assistance, please contact support: https://mtgarena-support.wizards.com/ Thank you!
Posted May 08, 2020 - 00:38 UTC
Monitoring
This issue appears to be resolved, but we are continuing to monitor the situation. For additional assistance, please contact support: https://mtgarena-support.wizards.com/ We apologize for any inconvenience.
Posted May 07, 2020 - 21:28 UTC
Investigating
We are currently investigating reports of players receiving an error message when attempting to login. We will update you with more information when it becomes available.