Chansey @ Eviolite
Ability: Natural Cure
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
- Seismic Toss
- Counter
- Toxic
- Soft-Boiled

Charizard-Mega-X @ Charizardite X
Ability: Tough Claws
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Substitute
- Outrage
- Flare Blitz
- Will-O-Wisp

Magearna @ Choice Specs
Ability: Soul-Heart
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Fleur Cannon
- Thunderbolt
- Aura Sphere
- Flash Cannon