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I'm thinking about including proxies of the Mystery Booster Playtest Cards in my cube. What do you think? : r/mtgcube
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ChannelFireball on X: "Each Mystery Booster pack appears to include a “Test Card” #MTGRichmond https://t.co/h1zzROmINR" / X
![Magic: The Gathering Mystery Booster Box Convention Edition 2021 | MTG | 24 Packs (360 Cards) | : Amazon.es: Juguetes y juegos Magic: The Gathering Mystery Booster Box Convention Edition 2021 | MTG | 24 Packs (360 Cards) | : Amazon.es: Juguetes y juegos](https://m.media-amazon.com/images/I/51QfZgcMEhL.jpg)
Magic: The Gathering Mystery Booster Box Convention Edition 2021 | MTG | 24 Packs (360 Cards) | : Amazon.es: Juguetes y juegos
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Browse Mystery Booster Playtest Cards 2021 // Moxfield — An mtg deck builder site for Magic: the Gathering®
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