[OU] CM Mega Latias + CB Terrakion + SD Weavile

Latias-Mega @ Latiasite
Ability: Levitate
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Calm Mind
- Psyshock
- Surf
- Recover

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

Weavile @ Lum Berry
Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Icicle Crash
- Knock Off
- Ice Shard

Ferrothorn @ Chople Berry
Ability: Iron Barbs
EVs: 252 HP / 168 Def / 88 SpD
Relaxed Nature
IVs: 0 Spe
- Spikes
- Leech Seed
- Power Whip
- Gyro Ball

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Lava Plume
- Stealth Rock
- Taunt
- Toxic

Landorus-Therian @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Stone Edge
- U-turn
- Knock Off