You can start with a high keystone on your main character instead of a +2 using this method! This way you won’t be stuck with a +2 keystone that no one wants to do.
Dragonflight Season 1
Normally, after you complete your first Mythic 0 of an expansion, you start with a +2. However, leveling a +2 keystone can be difficult because no one wants to run it, so what if you could just get your whole group a +10 keystone?