I want to start to shinyhunt for Grubbin.
Can be used to evolve one of several Pokémon. This consumes the Thunder Stone.
Causes Pikachu to evolve into Raichu (outside of Alola) or Alolan Raichu (in Alola) Causes Eevee to evolve into Jolteon Causes Eelektrik to evolve into Eelektross Causes Charjabug to evolve into Vikavolt (Generation VIII)