basically gross Michel + blueprint.
the joker has a 1 in 5 chance to destroy itself and give you back the cash you spend on it (5$) with its effect being to copy ALL jokers you have currently in your hand at once. it probably be a rare card but be worth a try... below is some art of it.
(also sorry if the card looks off idk what format is used for joekrs/cards here.)

where it dies on first trigger