Ubers

Breakbeak (Fearow) (M) @ Choice Scarf
Ability: Sniper
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Drill Peck
- Drill Run
- Tailwind
- Quick Attack

Tsunderation (Mawile) (F) @ Mawilite
Ability: Intimidate
EVs: 132 HP / 252 Atk / 124 Spe
Adamant Nature
- Sucker Punch
- Swords Dance
- Play Rough
- Fire Fang

Majesty Star (Dialga) @ Adamant Orb
Ability: Pressure
EVs: 252 HP / 4 Def / 252 SpA
Modest Nature
- Flash Cannon
- Draco Meteor
- Thunder Wave
- Roar

Jawless (Giratina) @ Leftovers
Ability: Pressure
EVs: 252 HP / 172 Def / 84 SpD
Bold Nature
- Calm Mind
- Hex
- Toxic
- Rest

M-Victory (Victini) @ Choice Band
Ability: Victory Star
EVs: 4 HP / 252 Atk / 252 Def
Adamant Nature
- V-create
- Bolt Strike
- Zen Headbutt
- Brick Break

Fuwaa (Whimsicott) (F) @ Leftovers
Ability: Prankster
EVs: 252 HP / 64 SpA / 192 SpD
Calm Nature
- Stun Spore
- Giga Drain
- Encore
- Taunt