Altaria-Mega @ Altarianite  
Ability: Natural Cure  
EVs: 248 HP / 196 Def / 64 SpD  
Bold Nature  
IVs: 0 Atk  
- Heal Bell  
- Roost  
- Toxic  
- Hyper Voice  

Groudon-Primal @ Red Orb  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Precipice Blades  
- Stone Edge  
- Fire Punch  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
- Recover  
- Toxic  
- Defog  
- Ice Beam  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
- Foul Play  
- Roost  
- Taunt  
- Sucker Punch  

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

Tapu Lele @ Choice Scarf  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Moonblast  
- Psyshock  
- Aromatherapy