b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Kriz - Solonian Castaway [Exp.] LoT [Type] Pun [In-joke] 
The subtitle uses the technically more correct species to draw attention to its similarity to co-star Solon from the same story.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke