Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Sacred Sword  
- Behemoth Blade  
- Play Rough  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Sacred Fire  
- Roost  
- Brave Bird  
- Earthquake  

Dracovish @ Choice Scarf  
Ability: Strong Jaw  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Psychic Fangs  
- Fishious Rend  
- Crunch  
- Outrage  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Flash Cannon  
- Fleur Cannon  
- Power Swap  
- Dazzling Gleam  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Astral Barrage  
- Leaf Storm  
- Psyshock  

Marshadow  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Brick Break  
- Shadow Sneak  
- Close Combat