b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Edmund Trevithick - Nightshade [Exp.] RD1 [Type] Ref [In-joke] 
Picture is of Professor Quatermass (specifically from "Quatermass and the Pit") on which the Professor Nightshade tv character is at least partially based.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke