Team

Venusaur-Mega @ Leftovers
Ability: Snow Warning
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe
Bold Nature
IVs: 0 Atk
- Leech Seed
- Toxic
- Aurora Veil
- Heal Order

Deoxys-Defense @ Leftovers
Ability: Multiscale
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Calm Nature
IVs: 0 Atk
- Iron Defense
- Heal Order
- Amnesia
- Toxic

Mewtwo-Mega-X @ Choice Band
Ability: Adaptability
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Jolly Nature
- Close Combat
- Drain Punch
- Psychic Fangs
- Accelerock

Mewtwo-Mega-Y @ Choice Specs
Ability: No Guard
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Blizzard
- Blue Flare
- Photon Geyser
- Water Spout

Rayquaza-Mega @ Life Orb
Ability: Contrary
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
Hasty Nature
- V-create
- Draco Meteor
- Psycho Boost
- Heal Order

Greninja-Ash @ Choice Specs
Ability: Sap Sipper
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
Hasty Nature
IVs: 0 Atk
- Steam Eruption
- Night Daze
- Searing Shot
- Sludge Wave