Skeledirge @ Leftovers  
Ability: Unaware  
Tera Type: Fire  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Hex  
- Torch Song  
- Slack Off  

Alomomola @ Rocky Helmet  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Flip Turn  
- Scald  
- Toxic  
- Wish  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
Tera Type: Electric  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- U-turn  
- Thunderbolt  
- Dazzling Gleam  
- Defog  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
Tera Type: Dragon  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Dragon Pulse  
- Psyshock  

Heatran  
Ability: Flash Fire  
Tera Type: Fire  

Serperior @ Choice Specs  
Ability: Contrary  
Tera Type: Grass  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Ice]  
- Giga Drain  
- Frenzy Plant