build this ground team and try it

Camerupt @ Cameruptite
Ability: Magma Armor
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Lava Plume
- Earth Power
- Ancient Power
- Will-O-Wisp

Rhyperior
Ability: Lightning Rod
Impish Nature

Seismitoad @ Assault Vest
Ability: Water Absorb
Serious Nature
IVs: 0 Atk
- Sludge Wave
- Scald
- Earth Power
- Grass Knot

Landorus (M)
Ability: Sand Force
Timid Nature
IVs: 0 Atk

Mamoswine
Ability: Oblivious
- Ice Shard

Golurk @ Focus Sash
Ability: Iron Fist
Adamant Nature
- Stealth Rock