Powerful Yu gi oh Cards HubPages Ten "Yu Gi Oh" Trap Cards That Can Go in Any Deck HobbyLark How many cards should my deck have? I'd say **40**. Yeah 41 or 42 won't hurt a lot, but still the probability of drawing a starter already decreases with that number. Many Did you know the real reason why Yu Gi Oh decks have a 60 card limit? We have one player to thank for it! Here's the story. Ranking Every Duel Monsters Era Starter Deck In YGO! Imagine using a Yu Gi Oh deck THIS BIG! Have you ever wondered why we have the 60 card limit for decks? Well, there's one player to thank for it! #yugioh #yugiohtcg #yugiohcards #didyouknow #trivia