Groudon (Groudon-Primal) @ Red Orb  
Ability: Desolate Land  
EVs: 120 HP / 240 Atk / 148 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Rock Polish  
- Swords Dance  

Necrozma (Necrozma-Dusk-Mane) @ Solganium Z  
Ability: Prism Armor  
EVs: 16 HP / 240 Atk / 252 Spe  
Adamant Nature  
- Swords Dance  
- Sunsteel Strike  
- Earthquake  
- Rock Polish  

Arceus @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 88 Def / 48 SpD / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Stealth Rock  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Power Whip  
- Toxic  
- Spikes  
- Leech Seed  

Salamence (Salamence-Mega) @ Salamencite  
Ability: Aerilate  
EVs: 248 HP / 44 Def / 216 Spe  
Impish Nature  
- Body Slam  
- Dragon Tail  
- Defog  
- Roost  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 56 HP / 120 Def / 216 SpA / 116 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Aromatherapy  
- Thunder