Where did the idea for the Shuffle Alliance come from? Why card suits?
To answer this one, let’s go with Neo-Era’s theory on the matter. “The idea of the Shuffle Domain was probably drawn from the sentai shows like JakQ, which also used playing cards as an inspiration (the five main characters of JakQ are named “Spade Ace”, “Dia Jack”, “Heart Queen”, “Clover King”, and “Joker”).
