From back of box:
A new twist on the most challenging Card Game today!
Step up to the Master level of Phase 10. Each player has a set of ten cards with the 10 phases. After a hand is dealt, the players select the phase they think they can complete. As the game progresses, the phases become more challenging to complete. A unique feature allows players to set aside one card per hand to be used for future use. These cards or card can be used to complete future phases. Contains 146 cards, instructions.