Mega Bee and Friends :]

Beedrill @ Beedrillite
Ability: Swarm
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- U-turn
- Poison Jab
- Drill Run
- Swords Dance

Magnezone @ Choice Scarf
Ability: Magnet Pull
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Volt Switch
- Flash Cannon
- Hidden Power [Fire]

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 216 Def / 28 SpD / 16 Spe
Impish Nature
- Stealth Rock
- U-turn
- Hidden Power [Ice]
- Earthquake

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 252 Def / 8 Spe
Bold Nature
IVs: 0 Atk
- Will-O-Wisp
- Hydro Pump
- Volt Switch
- Pain Split

Kyurem-Black @ Dragonium Z
Ability: Teravolt
EVs: 92 Atk / 164 SpA / 252 Spe
Naive Nature
- Ice Beam
- Fusion Bolt
- Earth Power
- Outrage

Hoopa-Unbound @ Choice Band
Ability: Magician
EVs: 216 Atk / 60 SpD / 232 Spe
Jolly Nature
- Hyperspace Fury
- Gunk Shot
- Drain Punch
- Fire Punch