The yin and yang oracle deck can be used in any type of reading. This deck is one of my personal favorites! I use this deck in all of my readings. Each card has a short explanation on the card. You can do readings with or without guidebook. Guidebook can be downloaded for in depth explanations.Bundle Oracle and tarot deal- first deck is $20 each additional deck $10 each in one order. Example. 2 deck for $30, 3 decks for $40, 4 decks for $50. Assorted decks does not have to be same deck