[2019] What the heck....

This page should answer how to pull logs and gather data: https://mtgarena-support.wizards.com/hc/en-us/sections/115001530206-Troubleshooting-Bug-Reporting-for-Magic-The-Gathering-Arena

This is how you report a bug: https://mtgarena-support.wizards.com/hc/en-us/articles/115004569843-Report-a-Bug

This is where you report a bug: https://feedback.wizards.com/forums/918667-mtg-arena-bugs