Latias-Mega @ Latiasite  
Ability: Levitate  
Shiny: Yes  
Tera Type: Dragon  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Ice Beam  
- Thunder Wave  
- Defog  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Ghost  
EVs: 252 HP / 44 Def / 212 SpD  
Impish Nature  
- Power Whip  
- Thunder Wave  
- Leech Seed  
- Spikes  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Water  
EVs: 244 HP / 20 SpD / 244 Spe  
Careful Nature  
- Earthquake  
- Facade  
- Swords Dance  
- Roost  

Heatran @ Leftovers  
Ability: Flash Fire  
Tera Type: Grass  
EVs: 252 HP / 252 SpD / 4 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Stealth Rock  

Ogerpon-Wellspring (F) @ Wellspring Mask  
Ability: Water Absorb  
Tera Type: Water  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Ivy Cudgel  
- Horn Leech  
- Taunt  
- Swords Dance  

Clefable @ Rocky Helmet  
Ability: Magic Guard  
Tera Type: Water  
EVs: 252 HP / 248 Def / 8 SpD  
Bold Nature  
- Thunder Wave  
- Moonblast  
- Knock Off  
- Soft-Boiled