Mega Charizard Y Scapped

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

Magnezone @ Choice Specs
Ability: Magnet Pull
EVs: 132 HP / 252 SpA / 124 Spe
Modest Nature
- Volt Switch
- Hidden Power [Fire]
- Flash Cannon
- Thunderbolt

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

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 192 Def / 16 SpD / 52 Spe
Calm Nature
- Taunt
- Nature's Madness
- Moonblast
- Defog

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
- Giga Drain
- Knock Off
- Earthquake
- Hidden Power [Ice]

Buzzwole @ Leftovers
Ability: Beast Boost
EVs: 52 HP / 244 Atk / 152 SpD / 60 Spe
Adamant Nature
- Roost
- Hammer Arm
- Poison Jab
- Ice Punch