not sure about the punchcard yet but for inbetween I'll give the hint that it's related to a mystery from deltarune
I want to know too. I apparently didn’t get to this point in Deltarune.
it's based on the forgotten man, so in the room with the frogget that says a man was talking about you happily mentioning being inbetween you have to walk in and out of the room several times and a sequnce will trigger