There’s a site called “Pokemon Craft Store” if you check under trophy and ultra rare promos there’s a Kamex computer error and there’s also a Trophy Khan that says it will be in stock in December. Prices are as ridiculous as they get but if you message the guy a good offer maybe he’ll consider. Hope that helps!
Just noticed you were looking for the JR Rally Jumbo set. I don’t have the set, but I do have a mint JR Stamp Rally Victini available. Here’s a link to one, so that we’re talking about the same card…