Here's my Gen 8 OU team at the moment.
Bisharp @ Weakness Policy
Ability: Defiant
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Knock Off
- Brick Break
- Iron Head
- Shadow Claw
Garchomp @ Choice Scarf
Ability: Rough Skin
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Stealth Rock
- Dragon Claw
- Crunch
- Earthquake
Rotom-Heat @ Life Orb
Ability: Levitate
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
IVs: 0 Atk
- Overheat
- Defog
- Thunderbolt
- Nasty Plot
Corviknight @ Rocky Helmet
Ability: Mirror Armor
EVs: 248 HP / 8 Atk / 252 Def
Impish Nature
- Tailwind
- Roost
- Drill Peck
- Iron Head
Gyarados @ Life Orb
Ability: Intimidate
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
- Outrage
- Roar
- Aqua Tail
- Flamethrower
Tyranitar @ Weakness Policy
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Taunt
- Crunch
- Facade
- Rock Blast