![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://theadventurersacademy.com/cdn/shop/files/c3fc6d84-7808-5ef8-94e9-ba71d249b2cd_800x.jpg?v=1755725101)
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Most of our single cards are second-hand, carefully checked, but some can also come directly from recent openings.
![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://tcgplayer-cdn.tcgplayer.com/product/563956_in_1000x1000.jpg)
Not only that, but its in-game legality didn't raise concerns, and the fact that it was very expensive was fine considering this and also the fact that it was a premium set, meaning it had very strong and valuable cards that in turn increased the value of each pack
![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://i.ebayimg.com/images/g/Z5gAAOSwymdktwdf/s-l400.jpg)
However, following that are two more crossovers with huge potential
![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://gatherer-static.wizards.com/Cards/small/C8C01B982520253ADB3AD32A867C9A49C13B4A098B9FAEB6C877896EB2CE8B3D.webp)
Look out for expensive variants like Arcane Signet and Reflecting Poo
![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://i.redd.it/0zk2xy0d1xw91.jpg)
Mark Rosewater (September 23, 2018)
![test card mtg Largepox [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2](https://mtg.wtf/cards_hq/cmb1/1.png)
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