These are the Pokemon currently transferable across every Switch entry:Pikachu
Raichu
Clefairy
Clefable
Kantonian Vulpix
Kantonian Ninetales
Psyduck
Golduck
Tentacool
Tentacruel
Magnemite
Magneton
Gastly
Haunter
Gengar
Rhyhorn
Rhydon
Chansey
Scyther
Electabuzz
Magmar
Magikarp
Gyarados
Eevee
Vaporeon
Jolteon
Flareon
Porygon
Snorlax
Honorable mention to Growlithe and Arcanine, who didnt make the list only because PLA does not feature their Kantonian forms