In one of the booster packs I opened recently, I found an interesting card. The back looked normal, but in the front where the information would be was solid black, along with a big white "X" on it. What is this? And what do I do with it?
The X Card
It is a end of the line marker that tells the computer that the current print run is complete.
As for what you should do, simply send it to me. (It's a collector's item...)
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