There is a tarot card with a small corner. Is tarot still invalid?

If you are a devout believer in tarot cards, it is recommended to change a set of cards. If you open a corner, it will be different from other cards. Through the direction of the opening angle, you can also see the positive and negative positions. The so-called secret can't be revealed, so it is absolutely not allowed to reveal the card face of the secret. It doesn't matter if you just play.