Re: local game stores, some are better than others. There's exactly one good one in my area, and the rest do the kind of things Ambassador is talking about. Your mileage may vary.
I'm glad it's still a limited thing, honestly; that's part of the fun of it. It's a cool keepsake. But this is going to be a disaster. What I would do is sort of in the middle: make a slightly different version and make that widely distributed.
For those asking, here was my experience: I learned that the promotion started through the Pokemon Center mailing list. The link in the email brought me to a subcategory on the site with TCG products that included cards specifically (as opposed to deck boxes and the like.) I added over $30 of...