Question: how many cards can you have in your yugioh deck?
Answer: Assemble your favorite cards into a Deck that follows these rules: ●The Deck must be 40 to 60 cards. You can only have up to 3 copies of the same card in your Deck, Extra Deck and Side Deck combined. Also, some cards are Forbidden, Limited or Semi-Limited in official tournaments. (See page 45 for details.)