Serp Mega Tar

Serperior @ Life Orb
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Leaf Storm
- Hidden Power [Fire]
- Dragon Pulse
- Glare

Tyranitar-Mega @ Tyranitarite
Ability: Sand Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Stone Edge
- Crunch
- Ice Punch
- Dragon Dance

Slowbro @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 140 Def / 112 SpD
Bold Nature
- Scald
- Psyshock
- Fire Blast
- Ice Beam

Tornadus-Therian (M) @ Assault Vest
Ability: Regenerator
EVs: 96 HP / 162 SpA / 252 Spe
Timid Nature
- Hurricane
- Heat Wave
- Knock Off
- U-turn

Goodra @ Assault Vest
Ability: Sap Sipper
EVs: 160 HP / 248 SpA / 100 Spe
Mild Nature
- Draco Meteor
- Fire Blast
- Earthquake
- Sludge Bomb

Jirachi @ Leftovers
Ability: Serene Grace
EVs: 252 HP / 224 SpD / 32 Spe
Careful Nature
- Iron Head
- Body Slam
- Wish
- Stealth Rock