ground types are
he can learn zap cannon
earth, fire, and grass are all super affective to quagsire in Pokemon soul silver
In Pokémon Omega Ruby and Pokémon Alpha Sapphire, the Mauville City Gym Leader; Wattson has three Pokémon which are Magnemite, Magneton and Votorb, Magnemite is at Level 19 and its moves are Volt Switch, Tackle and Thunder Wave, Magneton is at Level 21 and its moves are Magnet Bomb, Supersonic and Volt Switch and Voltorb is at Level 19 and its moves are Volt Switch, Rollout and Charge.
Thunder Electric type moves
The Move Deleter in Pokemon Ruby, Sapphire, and Emerald is found in Lilycove City.
lilycove city
it makes it so that only super affective moves hit
Use psychic, electric, or rock moves.
Dragon-type moves are super effective against Dragon-type Pokemon.
Magneton is a dual-type Pokémon, specifically Electric and Steel. It evolves from Magnemite and is known for its ability to generate strong magnetic fields. Magneton is often found in areas with high electromagnetic activity, and it can use moves like Thunderbolt and Magnet Bomb in battles.
Dark type moves such as night shade,shadow punch,etc.are super effective against dark Pokemon.
Just use a move like DIG or other ground moves like Earthquake or mud slap.