If you would like to join the guild, message Rainbow Dash in game or visit THIS POST and request an invite.
Now on to point 2!
A Limited number of beta keys are available on Zam right now! You can find that below!
Wakfu Beta Keys
It does require a Zam account (which is free and takes literally 2 seconds to sign up for)
Alright I'll stop pretending to be massively now!