Fox's Team

Mamoswine @ Life Orb
Ability: Thick Fat
EVs: 240 Atk / 16 SpA / 252 Spe
Naive Nature
- Earthquake
- Icicle Crash
- Ice Shard
- Freeze-Dry

Charizard-Mega-Y @ Charizardite Y
Ability: Drought
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Fire Blast
- Solar Beam
- Air Slash
- Dragon Pulse

Tapu Koko @ Life Orb
Ability: Electric Surge
EVs: 4 Atk / 252 SpA / 252 Spe
Timid Nature
- U-turn
- Thunderbolt
- Grass Knot
- Hidden Power [Fire]

Tangrowth @ Rocky Helmet
Ability: Regenerator
EVs: 248 HP / 212 Def / 48 SpD
Relaxed Nature
- Sleep Powder
- Giga Drain
- Knock Off
- Hidden Power [Fire]

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 192 Def / 16 SpD / 52 Spe
Calm Nature
IVs: 0 Atk
- Taunt
- Ice Beam
- Moonblast
- Defog

Heatran @ Grassium Z
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Solar Beam
- Stealth Rock