Sudowoodo (M) @ Rockium Z  
Ability: Sturdy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Counter  
- Head Smash  
- Sucker Punch  
- Earthquake  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 72 SpD / 188 Spe  
Calm Nature  
IVs: 0 Atk  
- Defog  
- Taunt  
- Nature's Madness  
- Moonblast  

Landorus-Therian @ Yache Berry  
Ability: Intimidate  
EVs: 128 HP / 244 Def / 136 Spe  
Impish Nature  
- U-turn  
- Earthquake  
- Hidden Power [Ice]  
- Stealth Rock  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 232 SpD  
Sassy Nature  
- Volt Switch  
- Iron Head  
- Fleur Cannon  
- Hidden Power [Fire]  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Earthquake  
- Flare Blitz  
- Roost  

Serperior @ Choice Scarf  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Defog