ill give two post one for guild with a video the other for the community
https://us.forums.blizzard.com/en/wow/t/h-dojo-hyjal-410m-aotc-cn-tw-9p-12a-pst-everyday-m-rated-pvp-mpvp-players-also-wanted-to-build-discord-community/566013
Go to this forum post take the spaces out of discord link given in post then join server go to lfg roles and follow the simple instructions.
https://us.forums.blizzard.com/en/wow/t/dojo-mythic-plus-and-pvp-community/852587