Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 196 SpD / 64 Spe  
Careful Nature  
- U-turn  
- Defog  
- Knock Off  
- Roost  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Morning Sun  
- Stealth Rock  
- Knock Off  
- Sunsteel Strike  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 212 HP / 252 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Toxic Spikes  
- Dynamax Cannon  
- Recover  

Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Nasty Plot  
- Leech Seed  
- Astral Barrage  

Reshiram @ Life Orb  
Ability: Turboblaze  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Roost  
- Outrage  
- Flare Blitz  

2845 (Xerneas) @ Power Herb  
Ability: Fairy Aura  
EVs: 32 Def / 252 SpA / 224 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Geomancy  
- Thunder  
- Moonblast