I was going mention EX Unseen Forces too. Honestly, just based on the timing of everything for future games, to me, this recent Sinnoh focus feels like a way of acknowledging their fans' expectations of 4th Gen remakes while also apologizing for not being able to make them anytime soon. Like they had plans to make Sun and Moon, and then they knew a main series Switch game needed to be made. Between the release of Sun and Moon and the Switch games, a 'third' Sun and Moon would be more practical and less time-consuming than 4th Gen remakes. So the compromise is to focus on some 4th Gen stuff now while everyone is thinking about it until they have time to remake those games. So here's a set focusing on Sinnoh, similar to EX Unseen Forces, to 'hold you over' until then.Good observation, but that's a little too old to be relevant, back then there were only three generations and they could "mess around" with themes like that. Now Pokemon is a well-oiled marketing machine with a TON of content -- if they're going out of their way to advertise something like Sinnoh, it means there's a specific reason for it. Not to mention how the 20th movie and Pokken also are also pushing DP themes, not just the TCG. We're getting DP hints across the board. Other than they're doing it "just cuz," the question is why...