The Kamigawa: Neon Dynasty Black Theme Booster contains 35 cards, with a combination of 1–2 cards of rarity Rare or higher and 33–34 Uncommon and/or Common cards.
Theme Boosters let you pick the kind of cards you want to upgrade your favorite decks. Every card in a Theme Booster can go in a deck of that color or style, so you can be confident you're getting what you want.