Built by Mil (with edits from xray & fv)

Terrakion @ Choice Band
Ability: Justified
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Close Combat
- Stone Edge
- Quick Attack
- Toxic

Manaphy @ Leftovers
Ability: Hydration
EVs: 144 HP / 176 SpA / 188 Spe
Timid Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Scald
- Hidden Power [Fire]
- Energy Ball
- Tail Glow

Scizor-Mega (M) @ Scizorite
Ability: Light Metal
EVs: 248 HP / 28 Atk / 56 Def / 176 SpD
Impish Nature
IVs: 29 Spe
- Bullet Punch
- U-turn
- Roost
- Pursuit

Landorus-Therian @ Choice Scarf
Ability: Intimidate
EVs: 236 Atk / 20 SpA / 252 Spe
Naive Nature
- Earthquake
- Stone Edge
- U-turn
- Hidden Power [Ice]

Amoonguss @ Black Sludge
Ability: Regenerator
EVs: 248 HP / 176 Def / 76 SpD / 8 Spe
Bold Nature
IVs: 0 Atk
- Spore
- Giga Drain
- Clear Smog
- Stun Spore

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Stealth Rock
- Lava Plume
- Earth Power
- Toxic