Relatively new in this field. But is it possible to have a booster box with no SIR or secret rares? : r PokemonTCG Pokemon Shiny Treasure EX High Class SV4A Japanese Booster Box Wright Cards Are You Guaranteed An Sir In A Booster Box After 334 Pokmon packs opened without pulling an SIRwere trying something different. , Viewers keep saying open Booster Bundles for better hits! so today, were putting that theory to the test