You can use Discharge with some Ground type.
Lave Plume with Flash Fire (ability).
Earthquake with Levitate (ability)
Earthquake with Fly type.
Surf with Water Absorv or Dry Skin
and the weathers setups like Tyranitar (Sandstream), Torkoal (Drought), Pelipper (Drizzle).
Look on this site, to see more about multi target moves: https://pokemondb.net/move/group/multi-target
And sorry my english... #BR