Generation Ix
Hadron Engine
Turns the ground into Electric Terrain when the Pokémon enters a battle. The futuristic engine within the Pokémon also boosts its Sp. Atk stat on Electric Terrain.
Detailed Effect
Turns the ground into Electric Terrain when the Pokémon enters a battle. The futuristic engine within the Pokémon also boosts its Sp. Atk stat on Electric Terrain.
Pokémon With Hadron Engine
5 canonical Pokémon forms can have this Ability.
Miraidon 
Miraidon Low Power Mode 
Miraidon Drive Mode 
Miraidon Aquatic Mode 
Miraidon Glide Mode