When players think the Eeveelutions cannot get any cuter, their shiny versions prove them wrong. An already fan-favorite ...

While both the shiny and normal Eevee will have increased appearance rates ... Greengrass Isle, for example, will feature a larger number of Vaporeon, Jolteon, Flareon, Espeon, Umbreon, Leafeon, ...

given that you’ll presumably also want an extra two to manually evolve into shiny Umbreon and Espeon. And then add in at least another two if you want to save two shiny Eevees for potential Gen ...