You asked for it so you shall receive it (only cause you asked nicely)
http://www.worldduelingacademy.com/f34-inner-teams
There wil be rules and restrictions in place for teams, this will affect how many members your team can have and who you can ask to join your team.
There is a trading system involved if teams feel like trading members around and much much more.
Have fun till then.
- WDA Staff