Grimmsnarl (M) @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Bulk Up  
- Substitute  
- Spirit Break  
- Sucker Punch  

Nihilego @ Black Sludge  
Ability: Beast Boost  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
- Knock Off  
- Toxic Spikes  
- Sludge Bomb  
- Power Gem  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Psychic  
- Focus Blast  
- Defog  

Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 252 HP / 24 Atk / 212 SpD / 20 Spe  
Careful Nature  
- Stealth Rock  
- U-turn  
- Iron Head  
- Ice Punch  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 72 Def / 184 SpD  
Relaxed Nature  
- Knock Off  
- Giga Drain  
- Sludge Bomb  
- Sleep Powder  

Slowking @ Colbur Berry  
Ability: Regenerator  
EVs: 252 HP / 232 Def / 24 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Psyshock  
- Teleport  
- Scald  
- Slack Off