Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 56 HP / 248 Atk / 16 Def / 188 SpD  
Brave Nature  
IVs: 0 Spe  
- Double Iron Bash  
- Ice Punch  
- Rock Slide  
- Earthquake  

Kyogre @ Blue Orb  
Ability: Drizzle  
EVs: 252 HP / 4 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Calm Mind  
- Thunder  
- Ice Beam  
- Origin Pulse  

Hatterene @ Focus Sash  
Ability: Healer  
Tera Type: Dark  
EVs: 112 HP / 252 Def / 144 SpA  
Relaxed Nature  
IVs: 0 Atk  
- Trick Room  
- Healing Wish  
- Mystical Fire  
- Psychic  

Calyrex-Ice @ Groundium Z  
Ability: As One (Glastrier)  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Glacial Lance  
- High Horsepower  
- Swords Dance  
- Trick Room  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
Tera Type: Poison  
EVs: 248 HP / 76 Def / 184 Spe  
Timid Nature  
- Foul Play  
- Defog  
- U-turn  
- Roost  

Magearna @ Leftovers  
Ability: Soul-Heart  
Tera Type: Water  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Volt Switch  
- Spikes  
- Trick Room