which booster box has the best pull rates product type rate and chance to pull SIR/BWR in the BB&WF set? Curious about the pull rates

SR Super Rare Armityle the Chaos Phantasm (Updated from: Armityle the Chaos Phantom) X DARK Level 12 [ FiendFusionEffect ] ATK 0 DEF 0 "Uria, Lord of Searing Flames" + "Hamon, Lord of Striking Thunder" + "Raviel, Lord of Phantasms" Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control

Shipment will be sent within 1 to 2 days

Deck Description This deck has been published by Zero-okami using the Dueling Nexus deck editor

And the Dark World Accession to alway fusion summon either the Grapha fusion monster on turn 1, and the Colorless boss monster on turn two to board wipe

All cards are sourced from either the Genetic Apex expansion packs (with headliners like Mewtwo ex, Pikachu ex, and Charizard ex) or the Mythical Island pack (featuring Mew ex)