yu gi oh Why did Yu Gi Oh! change from an unlimited deck size to a 60 card maximum deck size? Board & Card Games Stack Exchange 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 # 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 What's the best deck size for heroes: 40 or 60 cards? Optimal bricky deck size math : r yugioh What Size Are Yu Gi Oh! Cards? Your Playmat