Shuckle @ Mental Herb  
Ability: Sturdy  
EVs: 252 HP / 136 Def / 120 SpD  
Bold Nature  
IVs: 0 Atk  
- Sticky Web  
- Stealth Rock  
- Encore  
- Final Gambit  

Kyogre @ Blunder Policy  
Ability: Drizzle  
EVs: 92 HP / 252 SpA / 164 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Blizzard  
- Substitute  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Disable  
- Nasty Plot  
- Draining Kiss  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 188 SpA / 68 SpD / 252 Spe  
Hasty Nature  
- Knock Off  
- Oblivion Wing  
- Taunt  
- Sucker Punch  

Necrozma-Dusk-Mane @ Colbur Berry  
Ability: Prism Armor  
EVs: 56 HP / 252 Atk / 200 Spe  
Jolly Nature  
- Sunsteel Strike  
- Knock Off  
- Photon Geyser  
- Dragon Dance  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Spectral Thief  
- Shadow Sneak  
- Rock Tomb  
- Low Kick