worst team i built in my life

Altaria-Mega @ Altarianite
Ability: Natural Cure
EVs: 84 HP / 252 SpA / 172 Spe
Modest Nature
IVs: 30 SpA / 30 SpD
- Hyper Voice
- Fire Blast
- Earthquake
- Roost

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Lava Plume
- Flash Cannon
- Earth Power

Landorus-Therian (M) @ Leftovers
Ability: Intimidate
EVs: 248 HP / 8 Atk / 252 Def
Impish Nature
- Stealth Rock
- Earthquake
- Stone Edge
- U-turn

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

Latios (M) @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Psyshock
- Calm Mind
- Roost

Roserade @ Life Orb
Ability: Natural Cure
EVs: 64 HP / 252 SpA / 192 Spe
Modest Nature
- Leaf Storm
- Sludge Bomb
- Toxic Spikes
- Hidden Power Fire