Heracross-Mega @ Big Root  
Ability: Triage  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Drain Punch  
- Leech Life  
- Ice Punch  
- Strength Sap  

Rattata @ Focus Sash  
Ability: Prankster  
Level: 1  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
- Super Fang  / Endeavor
- Destiny Bond  
- Toxic / Healing Wish 
- King's Shield  

Gengar-Mega @ Dread Plate  
Ability: Normalize  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Entrainment  
- Quiver Dance  
- Recover  
- Judgment  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Spore  
- Quiver Dance  
- Moonblast  
- Moongeist Beam  

Magearna-Original @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Shore Up  
- Stealth Rock  
- Defog  
- Haze  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
- Whirlwind  
- Toxic  
- Slack Off  
- Spectral Thief