Arceus @ Ghostium Z  
Ability: Multitype  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Shadow Force  
- Brick Break  
- Substitute  
- Swords Dance  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- Oblivion Wing  
- Foul Play  
- U-turn  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 184 Def / 248 SpA / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Hidden Power [Fire]  
- Geomancy  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 144 HP / 112 SpA / 252 SpD  
Quiet Nature  
- Precipice Blades  
- Overheat  
- Stealth Rock  
- Toxic  

Celesteela @ Shed Shell  
Ability: Beast Boost  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Leech Seed  
- Toxic  
- Heavy Slam  
- Protect  

Salamence-Mega @ Salamencite  
Ability: Aerilate  
EVs: 248 HP / 164 Def / 96 Spe  
Jolly Nature  
- Return  
- Toxic  
- Defog  
- Roost