Team from the Teambuilding Guide

Salamence @ Salamencite
Ability: Intimidate
EVs: 52 HP / 172 Atk / 4 Def / 84 SpD / 196 Spe
Jolly Nature
- Dragon Dance
- Return
- Earthquake
- Protect

Heatran @ Chople Berry
Ability: Flash Fire
EVs: 52 HP / 252 SpA / 204 Spe
Modest Nature
- Heat Wave
- Flash Cannon
- Protect
- Earth Power

Rotom-Wash @ Sitrus Berry
Ability: Levitate
EVs: 252 HP / 44 Def / 92 SpA / 100 SpD / 20 Spe
Calm Nature
- Thunderbolt
- Hydro Pump
- Will-O-Wisp
- Protect

Cresselia @ Leftovers
Ability: Levitate
EVs: 220 HP / 172 Def / 4 SpA / 92 SpD / 20 Spe
Calm Nature
- Psychic
- Icy Wind
- Skill Swap
- Helping Hand

Amoonguss @ Rocky Helmet
Ability: Regenerator
EVs: 252 HP / 68 Def / 188 SpD
Bold Nature
- Giga Drain
- Spore
- Rage Powder
- Protect

Tyranitar @ Choice Scarf
Ability: Sand Stream
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Rock Slide
- Ice Beam
- Assurance
- Superpower