It has everything you need to start your quest to become a Champion Duelist
Each pack contains 12 Magic cards, including 1 Mystical Archive card (Uncommon, Rare, or Mythic Rare), 1 Lesson card (Common, Uncommon, Rare, or Mythic Rare), 1 Rare or Mythic Rare, 1 foil of any rarity, 1 Wild Card of any rarity, 6 assorted Commons or Uncommons that are thematically connected (with Commons connected to other Commons and Uncommons connected to other Uncommons), and 1 Land cardplus 1 Art Card and 1 Ad/Token or special card from Magic 's history (a card from "The List")
In addition, the Tearlaments cards can enable SPYRAL cards by milling cards such as Loading
Best of all, its not restricted, so decks that can run it can have three
This is absolutely a potential sleeper for if we ever go back to Theros and reach a critical mass of playable black enchantments
Personally, I felt like my deck did a lot of the heavy lifting, but it definitely wasnt easy to play