it's all gone pear shaped
Rayquaza @ Life Orb
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe
- Collision Course / Headlong Rush
- Extreme Speed
- Strength Sap
You know the bit where Boomburst does 80% to fully-invested Arceus? Rayquaza is one of BH's scariest mixed attackers thanks to great stats and Flying typing, which greatly synergize with Aerilate. Boomburst does comical damage to anything without Ice Scales or Assault Vest, and it even 2HKOes some Flying-resistant targets like Corviknight. Extreme Speed helps chase out opposing attackers, like Flutter Mane and Koraidon, and it out-damages Boomburst against common Ice Scales users like Arceus formes and Zacian. Collision Course and Headlong Rush both nuke Steel-types like Arceus-Steel and Dialga-O; Collision Course hits harder when super effective, while Headlong Rush picks off Arceus-Electric and Zacian-C. Rayquaza greatly appreciates slow pivots like Dondozo and RegenVest users, as its frail defensive profile means it can rarely switch in safely aside from a predicted Ground-type attack. It struggles to break past specially defensive Corviknight and Arceus-Electric, however, so special attacking teammates like Flutter Mane and Eternatus are recommended to help push through. Corviknight is generally the safest bet to Imposter-proof Rayquaza, although Zacian-C and Arceus-Electric can also work depending on its coverage.