Mewtwo-Mega-X @ Choice Band
Ability: Huge Power
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
Adamant Nature
- Sunsteel Strike
- Photon Geyser
- Shadow Sneak
- Sacred Sword
Steelix-Mega @ Safety Goggles
Ability: Prankster
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Calm Nature
IVs: 0 Atk
- Will-O-Wisp
- Haze
- Shore Up
- Taunt
Gengar-Mega @ Focus Sash
Ability: Dazzling
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Moongeist Beam
- Sludge Wave
- Shell Smash
- Bug Buzz
Chansey (F) @ Eviolite
Ability: Imposter
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Bold Nature
IVs: 0 Atk
- Seismic Toss
- Stealth Rock
- Heal Bell
- Parting Shot
Dialga @ Safety Goggles
Ability: Wonder Guard
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Bold Nature
IVs: 0 Atk
- Shore Up
- Stealth Rock
- Parting Shot
- Defog
Groudon-Primal @ Ground Memory
Ability: Huge Power
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Adamant Nature
- Multi-Attack
- Shell Smash
- Ice Shard
- Sunsteel Strike