Hawlucha @ Misty Seed  
Ability: Unburden  
EVs: 80 HP / 216 Atk / 88 SpD / 124 Spe  
Adamant Nature  
- Swords Dance  
- High Jump Kick  
- Acrobatics  
- Substitute  

Tapu Fini @ Icium Z  
Ability: Misty Surge  
EVs: 248 HP / 96 Def / 8 SpD / 156 Spe  
Bold Nature  
IVs: 0 Atk  
- Nature's Madness  
- Moonblast  
- Taunt  
- Haze  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Toxic  
- Magma Storm  
- Protect  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 200 HP / 36 Atk / 20 Def / 252 Spe  
Jolly Nature  
- U-turn  
- Earthquake  
- Knock Off  
- Defog  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Leech Seed  
- Substitute  

Latios-Mega (M) @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Ice Beam  
- Earthquake  
- Recover