Metagross @ Assault Vest  
Ability: Clear Body  
Tera Type: Steel  
EVs: 248 HP / 156 Atk / 28 Def / 76 SpD  
Adamant Nature  
- Heavy Slam  
- Psychic Fangs  
- Earthquake  
- Bullet Punch  

Manaphy @ Life Orb  
Ability: Hydration  
Tera Type: Water  
EVs: 16 HP / 160 Def / 148 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Alluring Voice  
- Tail Glow  
- Charm  

Regidrago @ Choice Scarf  
Ability: Dragon's Maw  
Tera Type: Dragon  
EVs: 132 Atk / 124 SpA / 252 Spe  
Naive Nature  
- Outrage  
- Dragon Energy  
- Draco Meteor  
- Earthquake  

Metagross tanks 2 Raging Bolt hits and CB Haxorus, rest in Attack. Manaphy is EVed for Gouging Fire.  Regidrago is the comp set lol.