Fionna & Cake are the imaginary female versions of Finn and Jake created by and starring in a series of fan fiction written by the Ice King. Adventure Time with Fionna & Cake: Card Wars is an all-new story written by Jen Wang and Brett Wilson that features the actual Cryptozoic card game, Card War, which itself was created from the game featured on the show, talk about meta!

Visual artist(s): Britt Wilson, Rian Sygh