As a heads-up, this is an original idea, any resemblances with any given mod's joker or mechanic is a coincidence. Feedback is appreciated!
DEVELOPER MODIFIER 👾
Selling 6 copies of any given joker in a single run unlocks the Developer Edition, which grants the permanent effect of X6 Mult to the Joker affected by it. Obtaining a 7th copy of the same joker will debuff Developer Jokers into a common OR break them, depending on what's more balanced. This can be thematically called "corrupting" your jokers.
After the first granted Developer edition Joker in the shop, there's a 6/100 chance that additional Developer cards will appear in the shop. This gives an instant reward for the effort, along with a broader reward for the long-term run.
There should definitely be some sort of tooltip so new players become aware of the Developer Edition's existence.
RELATED CONTENT 📦
Alternate ways to unlock the Developer modifier may exist without necessarily selling 6 copies of a joker. For instance, a new joker that, when sold, counts as your most sold joker in the run or a new Voucher that lowers the necessary amount of sold copies to unlock Developer. These can be unlocked via achievements related to the Developer modifier.
To avoid the interference of the voucher and joker with other unrelated runs (if preferred), this content can also have per-run requirements, such as previously selling 2 copies of one joker.






often as a pseudo troll emoji