is a promo pokemon card rare - Black Star #1 - Pikachu Understanding Pokémon Rarity Symbols and

Out of every card in the Lost Caverns of Ixalan pre-cons, Black Market Connections has the biggest broad appeal

The same is true for the drops Bonus Cards, which offer extra value and Hatsune Miku goodness

You must pay its costs, and you must follow all applicable timing rules

It's theoretically possible that, if you were to weigh literally thousands of packs to choose your heavy favorites, and bought hundreds of them, you might get a slightly higher pull rate of rare cards than if you bought the same number of random packs - but I don't recommend it, for two main reasons: Most game stores don't permit you to weigh individual booster packs before buying them - mostly because it takes a long time and holds up the line