Mega Mawile

Weavile @ Choice Band
Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Ice Shard
- Pursuit
- Knock Off
- Icicle Crash

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 124 Def / 136 Spe
Impish Nature
- Hidden Power [Ice]
- U-turn
- Earthquake
- Stealth Rock

Mawile-Mega @ Mawilite
Ability: Hyper Cutter
EVs: 248 HP / 212 Atk / 16 SpD / 32 Spe
Adamant Nature
- Play Rough
- Sucker Punch
- Thunder Punch
- Swords Dance

Dragonite @ Flyinium Z
Ability: Multiscale
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Extreme Speed
- Fly
- Dragon Dance
- Earthquake

Magnezone @ Assault Vest
Ability: Magnet Pull
EVs: 128 HP / 200 SpA / 180 Spe
Modest Nature
IVs: 0 Atk
- Volt Switch
- Thunderbolt
- Hidden Power [Fire]
- Flash Cannon

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 172 Def / 16 SpD / 72 Spe
Bold Nature
IVs: 0 Atk
- Nature's Madness
- Moonblast
- Taunt
- Defog