These factory-sealed Yu-Gi-Oh Evolution Decks include 50 cards one half of the cards are from popular booster cards and the other half of the Yugi or Kaiba Deck depending on the deck you choose. Each Evolution Deck features 3 new cards unique to each deck. The experienced gamers will want to pick up a deck just for these cards. The new cards in the Yugi and Kaiba Evolution Decks are versatile and can be put into different decks (Exodia Deck, Gravekeeper's Deck, Warrior Deck, Ritual Monster Deck, or Dragon Deck). Styles may vary.