Got bored again and decided to ladder at the last second. Easy.
Rayquaza-Mega @ Life Orb
Ability: Magic Guard
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
Hasty Nature
- Volt Tackle
- Brave Bird
- Mind Blown
- Core Enforcer
Tyranitar-Mega @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Adamant Nature
- Spirit Shackle
- Pursuit
- Shore Up
- Diamond Storm
Chansey (F) @ Choice Scarf
Ability: Imposter
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Switcheroo
- Roost
- Defog
- Whirlwind
Magearna-Original @ Rocky Helmet
Ability: Magic Bounce
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD
Sassy Nature
IVs: 0 Spe
- Entrainment
- U-turn
- Shore Up
- Knock Off
Giratina @ Griseous Orb
Ability: Prankster
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD
Relaxed Nature
IVs: 0 Spe
- Destiny Bond
- Haze
- Shore Up
- Core Enforcer
Mewtwo-Mega-Y @ Focus Sash
Ability: Magic Guard
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
Hasty Nature
- Nuzzle
- Ice Beam
- Spectral Thief
- Revelation Dance