Arceus-Ghost @ Spooky Plate  
Ability: Magic Guard  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
- Judgment  
- Knock Off  
- Spikes  
- Shore Up  

Dialga-Origin @ Adamant Crystal  
Ability: Magic Guard  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Doom Desire  
- Dragon Tail  
- Spikes  
- Shore Up  

Slowbro-Mega @ Assault Vest  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Bold Nature  
IVs: 0 Spe  
- Flip Turn  
- Psystrike  
- Scald  
- Mortal Spin  

Swampert-Mega @ Assault Vest  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Flip Turn  
- Salt Cure  
- Earthquake  
- Stone Axe  

Yveltal @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Knock Off  
- Beak Blast  
- Rapid Spin  
- Strength Sap  

Kyogre-Primal @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Revelation Dance  
- Take Heart  
- Mean Look  
- Shore Up