Koraidon @ Choice Scarf  
Ability: Orichalcum Pulse  
Tera Type: Fire  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Flare Blitz  
- Dragon Claw  
- U-turn  
- Close Combat  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
Tera Type: Ground  
EVs: 248 HP / 60 Def / 200 SpD  
Relaxed Nature  
- Spikes  
- Overheat  
- Precipice Blades  
- Toxic  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 24 Atk / 232 SpA / 252 Spe  
Naive Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Stealth Rock  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Impish Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Taunt  
- Recover  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
Tera Type: Fairy  
EVs: 208 HP / 244 Def / 56 Spe  
Impish Nature  
- Thousand Arrows  
- Coil  
- Rest  
- Dragon Tail  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Whirlwind