READY Yugioh Water 40 Card Deck Set +3 Extra Deck + 30 New Random Cards eBay Yu gi oh Starter Structure Decks New Sealed English EU Take your Pick eBay 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 This game is having WAY TOO MANY UR's. What are some of the cards you think are too high of a rarity? I'd argue 80 90% of listed could be below UR: : How to play YuGiOh official rules and tips for beginners