Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aromatherapy  
- Astral Barrage  
- Psyshock  
- Grass Knot  

Landorus (M) @ Choice Scarf  
Ability: Sheer Force  
EVs: 8 Atk / 252 SpA / 248 Spe  
Naive Nature  
- Defog  
- Earth Power  
- Rock Slide  
- U-turn  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 44 Atk / 32 SpD / 184 Spe  
Jolly Nature  
- Foul Play  
- Sucker Punch  
- U-turn  
- Roost  

Palkia @ Assault Vest  
Ability: Pressure  
EVs: 80 HP / 252 SpD / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Spacial Rend  
- Hydro Pump  
- Thunder  
- Fire Blast  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Stealth Rock  
- Moonlight  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Substitute  
- Geomancy