Mewtwo-Mega-X @ Choice Band  
Ability: Shadow Tag  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Leaf Blade  
- Gear Grind  
- Play Rough  

Groudon-Primal @ Safety Goggles  
Ability: Shadow Tag  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- V-create  
- Thousand Arrows  
- Stealth Rock  
- Recover  

Xerneas @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 184 SpA / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Shell Smash  
- Substitute  
- Moonblast  
- Baton Pass  

Mewtwo-Mega-Y @ Safety Goggles  
Ability: Wonder Guard  
EVs: 248 HP / 176 SpA / 84 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Sticky Web  
- Recover  

Chansey @ Eviolite  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Recover  
- Haze  
- Encore  
- U-turn  

Kyurem-White @ Choice Specs  
Ability: Turboblaze  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Ice Beam  
- Fusion Flare  
- Flash Cannon