You will be able to add patches since it will be played from the city. Bringinig mercenaries will be viable.I think a huge issue will be teams of 20 people having the same 20 people able to play week on week. Also people might make changes to their team throughout the season as X player can't play anymore etc.. you'll be in a situation where you have 20 people that want to play but some of them don't have a token to play with while others who have the token quit or cna't play. I think 20 people all synching tokens will be difficult... Since it's guild based you won't be able to pug for it either right? Or can you? I'm unsure if guild X can play with guild Y in 20v20 crystal league?
Btw can you guys fix the party leader thing in crystals its really frustrating, it always changes when u go in. And impossible to track prigress via website. You cannot use markers etc