Idk if this is unbalanced as hell, but a joker where every order of magnitude you beat the blind (every 10x), you get paid a random bill (either $1, $2, $5, $10, $20, or $50). So if blind is 1 million, getting 100 million will pay out two bills and 1 billion will pay out 3 bills.
#Hitman Joker
dusky mulch
spare vector
That's quite the big ask