Diancie @ Leftovers  
Ability: Clear Body  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Power Gem  
- Heal Bell  
- Toxic  

Skarmory @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 232 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Whirlwind  
- Toxic  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Earth Power  
- Defog  
- Ice Beam  

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

Yveltal @ Metronome  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Taunt  
- Dark Pulse  
- Sucker Punch  
- Oblivion Wing  

Solgaleo @ Choice Scarf  
Ability: Full Metal Body  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  
- Zen Headbutt