Animal Crossing New Horizons: Hello Kitty villagers coming to Target - Polygon
Perhaps more enticingly, the cards also include entirely new villagers (to New Horizons, at least) — Rilla, Marty, Etoile, Chai, Chelsea, and Toby, respectively.There is no other way to get these folks, which might explain why complete sets of these cards for prior games sell for exorbitant prices on eBay.
In other words, expect these cards to sell out quickly, especially given the popularity of New Horizons