b997eee8_CCG___What_s_That_Inside_Joke___In_joke
[Card] Mexican Standoff [Exp.] Basic [Type] Pun [In-joke] 
A “Mexican standoff” is a situation where three or more parties are holding weapons to each other’s heads in a circular (triangular) formation. The Aztecs takes place in Mexico, and so this card.
Unauthorized Dr. Who CCG - What's That Inside Joke?
In-joke