b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Space Pig - Terrified Diversion [Exp.] 9D [Type] Ref [In-joke] 
It is specifically a Space Pig, rather than an Alien Pig, etc. to reference the Muppets' "Pigs in Space" feature.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke