Generally speaking, there should always be more cost 1 cards than cost 2 cards, more cost 2 cards than cost 3 cards, and so on and so forth
Opinions on my pricing

And images from previous Digimon Card Game releases: Starter Decks 1, 2, and 3, and first 10 promo cards Booster Set 1 New Evolution Booster Set 2 Ultimate Power V-Tamer Promo Cards Purple/Black Promo Set Tamer Battle Pack 1 and Tamer Battle Winner's Card Booster Set 3 Union Impact Starter Decks 4, 5, & 6, plus Tamer Battle Pack 2 & winner's Card 2, & 1st 2 scene vote cards Booster Set 4 Great Legend, Tamer Battle Pack 3, 3rd Scene Vote, Dark Digimon Promo Pack, & Apparel Cards Booster Set 5 Battle of Omega, plus Tamer Battle Pack 4, 4th Scene Vote, & Vital Bracelet Pack-In Cards Starter Decks 7 & 8, plus Delay Promos, Tamers Battle Pack 5, 1st Anniversary Promos, & Pulsemon Booster Set 6 Double Diamond Cards, the 1st Anniversary Adventure Pack, and more Booster Set EX-01 Classic Collection, plus Tamer Battle Pack 6 & 7, Tyranomon & dual Zeromaru Promo Cards Booster Set 7 Next Adventure, Campaign Cards, & Tamers 20th Promo Cards Starter Decks 9 & 10, plus Tamers Battle Pack 8, Ghost Game Promos, Online Promos, Tamers Evolution Box 1, & Amazon Starter Promos

Pull rate from Rare Packs: 2.56% The estimated pull rate for Varoom (Shining Revelry) from a Rare Pack is approximately 2.56%, meaning you might need to open around 40 Rare Packs to obtain it