b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Sarah Jane Smith - Liberated Woman [Exp.] TL [Type] Pun [In-joke] 
There's a play on the word "Liberated". She's a feminist, but can also vortex Escape cards.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke