[OU] Mega Aerodactyl + Tangrowth + Specs Keldeo

Heatran (M) @ Leftovers
Ability: Flash Fire
EVs: 248 HP / 8 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Lava Plume
- Toxic
- Taunt
- Stealth Rock

Tangrowth (F) @ Rocky Helmet
Ability: Regenerator
EVs: 244 HP / 216 Def / 48 SpD
Impish Nature
IVs: 0 Atk / 30 Def
- Giga Drain
- Hidden Power [Ice]
- Stun Spore
- Sleep Powder

Landorus-Therian @ Leftovers
Ability: Intimidate
EVs: 132 HP / 56 Atk / 216 Def / 104 Spe
Adamant Nature
- Earthquake
- Stone Edge
- Swords Dance
- Rock Polish

Latios @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Draco Meteor
- Thunderbolt
- Roost
- Defog

Keldeo-Resolute @ Choice Specs
Ability: Justified
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk / 30 Def / 30 SpD
- Hydro Pump
- Scald
- Secret Sword
- Hidden Power [Bug]

Aerodactyl-Mega (F) @ Aerodactylite
Ability: Unnerve
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stone Edge
- Wing Attack
- Aqua Tail
- Pursuit