WORST team

Chansey (F) @ Choice Band
Ability: Natural Cure
Happiness: 0
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Frustration
- Earthquake
- Wild Charge
- Giga Impact

Charizard-Mega-Y @ Charizardite Y
Ability: Drought
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Fire Spin
- Air Slash
- Roost
- Defog

Toxapex @ Choice Specs
Ability: Regenerator
EVs: 4 HP / 252 SpA / 252 SpD
Modest Nature
IVs: 0 Atk
- Blizzard
- Sludge Wave
- Surf
- Ice Beam

Keldeo @ Fightinium Z
Ability: Justified
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Liquidation
- Close Combat
- Poison Jab
- Swords Dance

Alakazam @ Assault Vest
Ability: Synchronize
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Shadow Ball
- Focus Blast
- Foul Play

Mamoswine @ Expert Belt
Ability: Thick Fat
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Stealth Rock
- Freeze-Dry
- Superpower
- Earth Power