Protean (ability)

Effect

Protean changes the Pokémon's type to that of its previously used attack.

X/Y O.Ruby/A.Sapphire	Changes the Pokémon’s type to the type of the move it’s using.
Sun/Moon Ultra Sun/Ultra Moon	Changes the Pokémon’s type to the type of the move it’s about to use.
Sword/Shield B.Diamond/S.Pearl	Changes the Pokémon’s type to the type of the move it’s about to use.
Scarlet/Violet	Changes the Pokémon’s type to the type of the move it’s about to use. This works only once each time the Pokémon enters battle.

No Pokémon have the ability Protean as a regular ability.