Since 2019 the Mystery Blox as been my version of choice. But sadly I have gone back to John Kennedy’s Mystery Box II due to reliability issues.
I was practicing with the Mystery Blox this holiday season and the gimmick came apart unexpectedly. I replaced it which was relatively smooth. However, my Mystery Blox has never been the same. I tried it on some friends and it went drastically wrong twice. I even tried a brand new box from PropDog and had the same issues.
It is true if you really work it in you should be fine, however the more you work it in the less life the gimmick has, so now you are stuck between a rock and a hard place. If you work it in too little it can fail you, and if you work it in too much it will also fail you by breaking on you when you least expect it.
So as much as I love this box and idea it certainly can be more unpredictable than the original Mystery Box and as a result I have now switched back to as my go to set: https://www.martinsmagic.com/allmagic/cards/mystery-box-ii-by-john-kennedy/ . I just don’t have the time or inclination to deal with issues that can arise with this box.
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