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Grand Market(cost:6*) from Dominion Strategy Wiki
+1 Card
+1 Action
+1 Buy
+2 Coin
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You can’t buy this if you have any Coppers in play.
Grand Market is an Action card from Prosperity. It is a strong Peddler variant, giving an extra 1 Coin and a +Buy, making it quite powerful if you can get it. Since it cannot be bought with Copper, it can be difficult to get early in the game; but Grand Markets themselves are a very efficient source of non-Copper money, so having Grand Markets makes it even easier to get more Grand Markets.
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