The first Vanguard affiliated with a Non-Realm clan.

Well of course! You can be on a football team, yet also be on a baseball team. It's similar to that in ways, being apart of a separate team in a separate field is different than being on your apposing team's... team, within the same game.

That sounds like a fun game, being a person in a game with 2 teams and randomly playing for one team or another for random intervals of the game. That is just sheer chaos...