b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Master of Disguise [Exp.] TL [Type] Pun [In-joke] 
While the card shows the Doctor pictured, the Master is referenced in the title, as the Timelord most likely to use this trick on the show.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke