[OU] Gastrodon + Toxic Mega Lopunny

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 236 Def / 16 SpA / 8 SpD
Relaxed Nature
- Hidden Power [Ice]
- Stealth Rock
- Earthquake
- U-turn

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

Gastrodon @ Leftovers
Ability: Storm Drain
EVs: 248 HP / 44 Def / 216 SpD
Sassy Nature
- Scald
- Curse
- Earthquake
- Recover

Heatran @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
- Taunt
- Lava Plume
- Earth Power
- Toxic

Latios @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Roost
- Psyshock
- Defog

Tyranitar @ Choice Band
Ability: Sand Stream
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Stone Edge
- Pursuit
- Superpower
- Crunch