>>51690839If it's a particularly rare card like an alternate art then you are almost 100% of the time better of buying the single. it's calculated you have to open several hundreds of packs to have a chance at the rarest cards. Especially when you can get PSA10's of most of these for nearly the same price as a booster box.
Your choice at the end of the day, but i've had notoriously shit luck with booster packs recently so I'm jaded.
Pic related.