Dominion: Prosperity (Second Edition) contains nine new types of Kingdom cards, which will be released on their own as an update pack for those who own the first edition of this expansion. A few cards will receive minor errata, but these will not appear in the update pack.
The new cards: Anvil, Clerk, Investment, Tiara, Charlatan, Collection, Crystal Ball, Magnate, War Chest
The following cards included in the first edition should be removed when using the Prosperity second edition Update Pack.
Loan, Trade Route, Talisman, Contraband, Counting House, Mountebank, Royal Seal, Venture, Goons
This is an expansion - a base game of Dominion and first edition Prosperity expansion are required to play