Can be used in the shop to buy items. How to Obtain. Used in the Item Exchange menu to obtain items such as Evolution Shards. You can collect Prize Coins by completing battles in Single-Player, then try making pulls from the Prize Box! If you pull from the Prize Box and get the grand prize. You can get these by exchanging the Legendary Prize Coins C that are obtainable from Silver & Ho-Oh's event, so use them to power up the.