Regigigas the beast

Regigigas @ Sitrus Berry
Ability: Slow Start
EVs: 252 SDef / 252 HP / 4 Atk
Gentle Nature
- Icy Wind
- Wide Guard
- Return
- Knock Off

Talonflame @ Life Orb
Ability: Gale Wings
EVs: 252 Spd / 252 Atk / 4 HP
Jolly Nature
- Brave Bird
- Flare Blitz
- Protect
- Taunt

Venusaur @ Venusaurite
Ability: Overgrow
EVs: 252 SDef / 252 HP / 4 SAtk
Calm Nature
- Giga Drain
- Sleep Powder
- Protect
- Sludge Bomb

Scrafty @ Assault Vest
Ability: Shed Skin
EVs: 252 Atk / 252 HP / 4 SDef
Adamant Nature
- Fake Out
- Knock Off
- Drain Punch
- Stone Edge

Metagross @ Life Orb
Ability: Clear Body
EVs: 176 Spd / 252 Atk / 80 HP
Serious Nature
- Zen Headbutt
- Meteor Mash
- Bullet Punch
- Ice Punch

Landorus-Therian (M) @ Yache Berry
Ability: Intimidate
EVs: 16 Spd / 240 HP / 252 Atk
Adamant Nature
- Earthquake
- Rock Slide
- U-turn
- Protect