Suicide

Gengar @ Focus Sash
Ability: Cursed Body
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Sludge Wave
- Destiny Bond
- Focus Blast

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Moonblast
- Soft-Boiled
- Stealth Rock
- Healing Wish

Landorus-Therian @ Choice Scarf
Ability: Intimidate
EVs: 244 Atk / 68 Def / 196 Spe
Jolly Nature
- Earthquake
- U-turn
- Explosion
- Stone Edge

Muk-Alola @ Assault Vest
Ability: Poison Touch
EVs: 248 HP / 136 Atk / 28 Def / 92 SpD / 4 Spe
Adamant Nature
- Knock Off
- Explosion
- Poison Jab
- Fire Punch

Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 92 Def / 164 SpD
Sassy Nature
- Spikes
- Leech Seed
- Power Whip
- Explosion

Sharpedo @ Sharpedonite
Ability: Speed Boost
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Crunch
- Destiny Bond
- Ice Fang
- Protect