Generation Ix
Mycelium Might
The Pokémon will always act more slowly when using status moves, but these moves will be unimpeded by the Ability of the target.
Detailed Effect
The Pokémon will always act more slowly when using status moves, but these moves will be unimpeded by the Ability of the target.
Pokémon With Mycelium Might
2 canonical Pokémon forms can have this Ability.
Toedscool 
Toedscruel