Scarf Heatran + Rotom-Wash

Heatran @ Choice Scarf
Ability: Flash Fire
EVs: 28 HP / 252 SpA / 228 Spe
Timid Nature
- Overheat
- Flash Cannon
- Earth Power
- Stone Edge

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 248 HP / 252 Def / 8 Spe
Bold Nature
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Pain Split

Lopunny-Mega @ Lopunnite
Ability: Scrappy
Happiness: 0
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- High Jump Kick
- Frustration
- Ice Punch

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 252 HP / 240 Def / 8 SpD / 8 Spe
Impish Nature
- Earthquake
- Stealth Rock
- U-turn
- Stone Edge

Latios (M) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Psyshock
- Recover
- Defog

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
- Leaf Storm
- Knock Off
- Earthquake
- Hidden Power [Ice]