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... is to actually be able to “catch em all” for the first time since Gen 2. Which may actually be possible.
The Switch has no camera, so that leaves out godforsaken QR codes, there’s no cross-platform functionality with the 3DS I know of, so that probably leaves out Bank, and there’s NO WAY Nintendo is going to sell any Pokémon as DLC, cause even Andrew Wilson would think that’s a bit overboard.