b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Rose Tyler - Bad Girl [Exp.] Reject RD3 [Type] Pun Ref Ref [In-joke] 
The subtitle is a play on Bad Wolf. Sliveen: How Rose pronounces Slitheen. "Marginalia" is an incomplete fanfic (only the teaser exists) from a frequent contributor to this game, "Doc Filth". Marginal indeed.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke