Brotherhood of Magicians
From Tardis Wiki, the free Doctor Who reference
The Brotherhood of Magicians was a union of magicians. They provided "registration and protection" for members and protected the secrets of magicians.
A group from the Brotherhood, led by Malcolm Stewart, journeyed to the Braxiatel Collection to retrieve the magic items that Marlow had left to his old friend Irving Braxiatel when he died. (PROSE: Nothing Up My Sleeve)