Grimmsnarl (M) @ Eject Button  
Ability: Prankster  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Spirit Break  
- Thunder Wave  
- Reflect  
- Light Screen  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 80 HP / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Wave  
- Hex  
- Grass Knot  

Necrozma @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Photon Geyser  
- X-Scissor  
- Earthquake  

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

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Healing Wish  
- Stealth Rock  

Primarina @ Leftovers  
Ability: Torrent  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Draining Kiss  
- Scald  
- Substitute