Tapu Bulu @ Terrain Extender  
Ability: Grassy Surge  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Swords Dance  
- Horn Leech  
- Superpower  
- Synthesis  

Seismitoad @ Eject Button  
Ability: Water Absorb  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Toxic  
- Earth Power  
- Scald  

Mawile-Mega @ Mawilite  
Ability: Intimidate  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Swords Dance  
- Play Rough  
- Knock Off  
- Sucker Punch  

Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 248 HP / 188 SpD / 72 Spe  
Careful Nature  
- Iron Head  
- U-turn  
- Secret Power  
- Protect  

Serperior @ Grassium Z  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Glare  
- Substitute  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Smart Strike  
- Defog