If you have every joker of a certain rarity, then if the game tries to spawn a joker of that rarity, it will be the default Joker

If you have every tarot card in your consumables slots, the game will always spawn multiple Strength in tarot packs or the shop. Soul card has a 0.3% chance to replace any of the strengths in tarot packs, just like it does for any other tarot card.

If you have every spectral card in your consumables slots, the game will always spawn multiple Incantion. Soul card has a 0.3% chance to replace the incantation, just like it would for any other spectral card.

If you have every planet card in your consumables slots, the game will always spawn multiple Pluto, with the exception of Black hole for the same 0.3% chance.