Maybe I am missing something

I literally just got the game yesterday so I am totally new to how all of this works. My question is some of the spectral cards have effects like “copy a random joker, destroy all other jokers” or “give a random joker x buff, destroy all other jokers” this is a joke right? And a bad idea 99% of the time? I get the benefit if you have 1 really op joker like supernova and want 2 of them, or maybe ballot, but 90% of the time destroying your whole deck of jokers is a game over?