Tyranusaur

Venusaur @ Venusaurite
Ability: Chlorophyll
EVs: 252 HP / 252 Def / 4 SpA
Lax Nature
- Leech Seed
- Sludge Bomb
- Giga Drain
- Earthquake

Tyranitar @ Assault Vest
Ability: Sand Stream
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Pursuit
- Earthquake
- Stone Edge
- Superpower

Gengar @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Shadow Ball
- Sludge Wave
- Focus Blast
- Destiny Bond

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

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
- Volt Switch
- Will-O-Wisp
- Hydro Pump
- Pain Split

Heatran @ Leftovers
Ability: Flash Fire
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Flash Cannon
- Lava Plume
- Stealth Rock
- Toxic