at least 40 cards (besides side and Extra decks) per deck and there are some limits to some cards (pot of greed etc.)
hope you have fun
there is no limit
40
40 or more.
Well, the minimum in a yugioh deck is 40 cards maximum 80cards. Most people try to have a smaller deck over a larger deck, to get cards they need. About a 40-50 card deck is good.
It isn't a bad card by any means. There certainly are better cards out there, but I am sure there will be many instances where Burst of Chaos will come in handy for you should you choose to include it in your deck.
You can have up to 3 copies of each card of the Crystal Beast series in your Deck. There is no limit to the amount of Crystal Beast cards you can have in a Deck.
That would make a bad deck, considering all that would require too many Tributes
There are 52 cards in a deck of cards.
A standard deck for card games typically includes 52 cards.
A regular/ standard booster pack of Yu-Gi-Oh! cards contains nine cards - one of them guaranteed to be Rare or of greater rarity. The Duelist Packbooster packs only have five cards inside. The Dark Beginning, Dark Revelation, and Dark Legends booster packs have 12 cards inside.
A Pokmon deck should typically include around 10 to 15 energy cards for optimal gameplay.
A Commander deck should typically include around 36-40 land cards for optimal gameplay.