Strahm is himself known for being a lifelong collector of “close to a million” cards. The pitcher is also host of “The Card ...

You'll need a microSD Express card to do that. These are not the same as the standard microSD cards you may have for the first Switch or other gaming handhelds.

The Switch 2 supports regular game cards, where the game files fit on the physical cartridge, but also game-key cards, which don't actually contain the full game data.