The problem with printing on cardstock and cutting them yourself, is the minor differences in the cards will cause the cards to be “marked” and people will be able to tell which card is which by feel.
I’ve found that it’s better to print the cards then put them into card sleeves (like people use for magic the gathering, or pokemon, or other trading card games) because the minor imperfections will be hidden by the protective sleeves. You can even get ones with opaque backs to make it so printing changes won’t impact the card shuffling (but it will make them a little less interesting). But you can find ones with designs on the back too if you want.