Terapagos @ Leftovers  
Ability: Tera Shift  
Tera Type: Stellar  
EVs: 248 HP / 216 Def / 44 Spe  
Bold Nature  
- Calm Mind  
- Rapid Spin  
- Tera Starstorm  
- Rest  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Ghost  
EVs: 248 HP / 68 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- U-turn  
- Toxic  
- Foul Play  
- Roost  

Arceus @ Silk Scarf  
Ability: Multitype  
Tera Type: Fire  
EVs: 224 HP / 252 Atk / 32 Spe  
Adamant Nature  
- Extreme Speed  
- Recover  
- Swords Dance  
- Earthquake  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Flying  
EVs: 248 HP / 56 Def / 152 SpD / 52 Spe  
Impish Nature  
- Heat Crash  
- Earthquake  
- Rock Tomb  
- Spikes  

Deoxys-Attack @ Power Herb  
Ability: Pressure  
Tera Type: Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Psycho Boost  
- Tera Blast  
- Ice Beam  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
Tera Type: Grass  
EVs: 248 HP / 72 Def / 188 SpD  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Toxic  
- Stealth Rock