Mewtwo-Mega-X @ Mewtwonite X  
Ability: Steadfast  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Low Kick  
- Zen Headbutt  
- Recover  
- Taunt  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Refresh  
- Recover  
- Judgment  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Rest  
- Coil  
- Thousand Arrows  
- Sleep Talk  

Toxapex @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Toxic Spikes  
- Haze  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 100 Def / 156 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Roar  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 4 HP / 252 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Hex  
- Defog  
- Will-O-Wisp  
- Draco Meteor