The pattern is the same on every card, but the cards are cut in a way that doesn't align with the pattern, so the two edges of a card don't look the same. It's

The pattern is the same on every card, but the cards are cut in a way that doesn't align with the pattern, so the two edges of a card don't look the same. It's still a manufacturing defect, which could be sorted out by paying more for those decks that are to be used in higher stakes games.