Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 24 HP / 248 Atk / 16 Def / 68 SpD / 152 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Fire Punch  
- Rock Polish  

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

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 132 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Defog  
- Toxic  
- Recover  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 68 HP / 252 SpA / 100 SpD / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Hidden Power [Ground]  

Landorus @ Life Orb  
Ability: Sheer Force  
EVs: 4 Def / 252 SpA / 252 Spe  
Naive Nature  
- Earth Power  
- Rock Slide  
- Hidden Power [Ice]  
- Stealth Rock  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Heart Swap  
- Pain Split  
- Volt Switch