Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 SpA / 100 SpD / 156 Spe  
Mild Nature  
IVs: 30 Def  
- Rock Polish  
- Precipice Blades  
- Fire Blast  
- Hidden Power [Ice]  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 32 Def / 224 SpA / 252 Spe  
Modest Nature  
- Foul Play  
- Dark Pulse  
- Oblivion Wing  
- U-turn  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 40 Def / 24 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Fire Blast  
- Recover  
- Calm Mind  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Toxic  
- Sunsteel Strike  
- Morning Sun  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Aromatherapy  
- Moonblast  
- Thunder  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Wave  
- Shadow Ball  
- Thunder  
- Destiny Bond