Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 32 HP / 124 Def / 200 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Substitute  
- Calm Mind  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Toxic  
- Aromatherapy  

Dugtrio @ Groundium Z  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Toxic  
- Memento  
- Stealth Rock  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Spectral Thief  
- Close Combat  
- Hidden Power [Ice]  
- Shadow Sneak  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Volt Switch  
- Heart Swap  
- Pain Split  
- Fleur Cannon  

Salamence-Mega @ Salamencite  
Ability: Intimidate  
EVs: 44 HP / 252 Atk / 212 Spe  
Adamant Nature  
- Double-Edge  
- Roost  
- Dragon Dance  
- Substitute