OU Hyper Offense

Mawile-Mega @ Mawilite
Ability: Intimidate
EVs: 152 HP / 252 Atk / 104 SpD
Adamant Nature
- Swords Dance
- Iron Head
- Sucker Punch
- Fire Fang

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 224 Def / 36 SpD
Bold Nature
IVs: 0 Atk
- Defog
- Nature's Madness
- Surf
- Taunt

Volcarona @ Leftovers
Ability: Flame Body
EVs: 248 HP / 148 Def / 112 Spe
Bold Nature
IVs: 0 Atk
- Quiver Dance
- Roost
- Fiery Dance
- Giga Drain

Thundurus @ Life Orb
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Hasty Nature
- Thunder Wave
- Knock Off
- Volt Switch
- Hidden Power [Ice]

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 208 HP / 252 Def / 48 SpD
Impish Nature
- Stealth Rock
- U-turn
- Earthquake
- Hidden Power [Ice]

Tapu Bulu @ Choice Scarf
Ability: Grassy Surge
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Wood Hammer
- Horn Leech
- Stone Edge
- Superpower