Mill has yet to emerge as a viable strategy in Pioneer, and it may never do so while one of the best decks in the format benefits from putting cards in its own graveyard
But ultimately, knowing your own intent is the most critical piece of this whole thing
If you just want to crack packs with an eye towards value, Modern Horizons 2 is the best option because of how many powerful and expensive cards it contains, but you can still get burned if you open too many junk rares
Consequently, this article contains some outdated information, and shows screenshots of the app taken from long past versions
Thanks for reading, and I look forward to seeing you in the next one
As in draft boosters, set boosters will feature a guaranteed rare/mythic rare card, but with a higher chance of mythics appearing in both draft and set boosters from Zendikar Rising onward