I don't have much yet, but I'll send you a link when I do. The reason Gambit is required is that you pick characters by drawing from a deck. So you both know y

I don't have much yet, but I'll send you a link when I do. The reason Gambit is required is that you pick characters by drawing from a deck. So you both know you can't have the same person. But if you let this knowledge affect your guesses then you leak information. So there's potentially some amount of bluff required.