What are 'trading cards', 'badges', 'gems', and 'booster packs' on Steam and what purpose do they serve? - Quora
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Pokemon Trading Card Game XY Steam Siege | 4 Sealed Booster Packs - Trading Card Games from Hills Cards UK
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steam trading cards - How to see the booster pack gem cost for all the games that you own at once? - Arqade
![Pokemon Trading Card Game XY Steam Siege 1 Sealed Booster Pack - Trading Card Games from Hills Cards UK Pokemon Trading Card Game XY Steam Siege 1 Sealed Booster Pack - Trading Card Games from Hills Cards UK](https://www.hillscards.co.uk/images/pokemon-trading-card-game-xy-steam-siege-1-sealed-booster-pack-p54710-62878_image.jpg)