Sand dubs

Tyranitar @ Tyranitarite
Ability: Sand Stream
EVs: 4 Def / 252 HP / 252 Atk
Brave Nature
IVs: NaN Spd
- Stone Edge
- Crunch
- Protect
- Fire Blast

Gyarados @ Sitrus Berry
Ability: Intimidate
EVs: 16 SDef / 248 HP / 60 Atk / 148 Def / 36 Spd
Careful Nature
- Waterfall
- Taunt
- Thunder Wave
- Protect

Excadrill @ Life Orb
Ability: Sand Rush
EVs: 252 Spd / 252 Atk / 4 HP
Adamant Nature
- Earthquake
- Iron Head
- Protect
- Rock Slide

Shaymin-Sky @ Life Orb
Ability: Serene Grace
EVs: 252 Spd / 252 SAtk / 4 SDef
Timid Nature
- Seed Flare
- Earth Power
- Air Slash
- Protect

Suicune @ Sitrus Berry
Ability: Pressure
EVs: 252 HP / 4 SAtk / 252 SDef
Calm Nature
- Tailwind
- Roar
- Scald
- Protect

Aegislash @ Weakness Policy
Ability: Stance Change
EVs: 100 Atk / 252 HP / 156 SAtk
Quiet Nature
IVs: NaN Spd
- Shadow Sneak
- Shadow Ball
- Sacred Sword
- King's Shield