Focusing this theme on artifacts and enchantments and giving a ton of tools to support formats that care about either or both of these things gave the set a lot of tools to update existing archetypes, which is a huge improvement on stuff like Arcane, which generally didnt land or play well even with other Standard-legal sets at the time
It would be very generous to say that the scry accounted for 50% of the cost of a Preordain, I would need a more than a one mana sorcery with scry 4 on it to be at all interested
An enchantress package with cards like Mesa Enchantress is key here for card advantage and a solid lieutenant in the form of Yuna, Hope of Spira will ensure that any sacrificed sagas can get another go
Wolves can often be paired with werewolves because the lords and other relevant cards happen to work for both creature types
Summary Bonus cards inside MTG's Secret Lair drops are rare and can significantly increase card value
Maybe theres a How They Brew It in my future where I make an Angel-free Shilgengar, Sire of Famine deck with effects like this, but I digress