A “best 4 card deck” is a deck of cards that is designed to give the player the best possible chance of winning. This type of deck is typically used in competitive card games, such as poker, blackjack, and rummy.
There are many different factors that can affect the quality of a best 4 card deck. Some of the most important factors include the number and type of cards in the deck, the suits of the cards, and the ranking of the cards. The best decks are typically those that have a good balance of high-ranking cards and low-ranking cards, and that have a variety of suits.