It is different from the usual roguelike that have different paths until reaching the boss.
Not all people are familiar with that roguelike so please give example of your reference.
So the scarce factor here is the tokens wherein you use it to generate cards for combat and movement on the map.
Wait a minute! what is the even the basic mechanic here?
I'm asking you what are the coolest innate abilities that are not OP that will bring imbalance to games like this
Sorry, I'm lost in basic mechanic so I can't answer that. Besides, your concept is card game so why are you talking about RPG features?