mega latias hazard stack

Gliscor @ Toxic Orb
Ability: Poison Heal
EVs: 244 HP / 8 Def / 200 SpD / 56 Spe
Careful Nature
- Swords Dance
- Earthquake
- Knock Off
- Roost

Latias @ Latiasite
Ability: Levitate
EVs: 252 HP / 4 SpD / 252 Spe
Timid Nature
- Thunderbolt
- Ice Beam
- Roost
- Thunder Wave

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

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 188 SpD / 68 Spe
Calm Nature
- Lava Plume
- Toxic
- Taunt
- Stealth Rock

Keldeo @ Choice Specs
Ability: Justified
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Scald
- Secret Sword
- Hydro Pump
- Hidden Power Bug

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