The forth expansion pack of 100 cards and 2 Dice Pirate Attack- Walk The Plank, adds another ship, more Magic Cards and many new play cards that create all new things to happen during the game. Force Field, Vision to remove Sails of Invisibility, Return to Port to send ships back to port and get rid of the Armada Card and The Gambler to gamble gold or ships against other players. Also adds another ship, Walk The Plank, The Trap, Smoke Screen, Power Play, The Magician, Damn Pirates, Insurance, Davy Jones Locker, End Of The World and other bonus cards. This tuck box will fold up and be placed under the plastic tray in the Main Game box and the cards will fit into the Main Game tray. —description from the publisher