It may not actually matter which pack players pick when making their daily pulls, as the developers remain coy on the mechanic.
One part of the experience is choosing which pack of cards to open. After choosing one of the three Genetic Apex pack types, each of which contains a different subset of cards, the app sends players to a carousel of packs from which to choose. However, this carousel might not actually provide fans with any sort of real choice and the developers won't provide a clear answer.
Several datamines indicate that the carousel selection doesn't actually matter in Players can actually skip over the carousel experience altogether, which seems to indicate that it's an empty animation rather than an actual meaningful selection.
Responding to on the matter, The Pokémon Company remained coy, telling the publication: “ ” There are currently two camps on whether the carousel selection actually matters in.
The first group points to datamines, evidenced here by Redditor Rustywolf, and other evidence that suggests that the game chooses cards when players «open» a pack.