Sinistea

Sinistea is a species of Pokémon in the series of the same name. It is a Ghost Pokémon introduced in the eighth generation games, Pokémon Sword and Shield. It evolves into Polteageist when it is exposed to a Cracked Pot or Chipped Pot. The Cracked Pot will cause it to evolve the Phony Form, while the Chipped Pot will cause it to evolve the Antique Form.

Evolution
Phony Antique