for youngster

Groudon-Primal @ Red Orb
Ability: Desolate Land
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Fire Blast
- Hidden Power [Ice]
- Earth Power
- Rock Polish

Rayquaza @ Flyinium Z
Ability: Air Lock
EVs: 252 Atk / 4 SpA / 252 Spe
Lonely Nature
- Dragon Dance
- V-create
- Dragon Ascent
- Draco Meteor

Blaziken-Mega @ Blazikenite
Ability: Speed Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Swords Dance
- Flare Blitz
- Earthquake
- High Jump Kick

Deoxys-Speed @ Light Clay
Ability: Pressure
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Light Screen
- Reflect
- Stealth Rock
- Knock Off

Yveltal @ Leftovers
Ability: Dark Aura
EVs: 252 HP / 4 Def / 252 SpA
Serious Nature
- Oblivion Wing
- Sucker Punch
- Dark Pulse
- Roost

Genesect @ Choice Scarf
Ability: Download
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Hasty Nature
- U-turn
- Iron Head
- Extreme Speed
- Blaze Kick