The rest of the deck was based around dumping cards in the graveyard for the Cauldron to exile and bring back the key pieces to your hand as required
Potatowheelchair's been extremely thorough here
Unlike the other Secret Lair sets on this list, there are two copies of each card included, rather than just one: When Can I Order the D&D Secret Lair Cards
I'm skeptical that it can maintain such a high demand going forward, but since Fabled introduced Iconic rarity, it has certainly introduced the perfect height of card chasing for what is a TCG somewhat still in its infancy
As a bonus, making three 3/3 bodies makes it easier for the player to block effectively, as opposed to a single 9/9 blocker
In that way, Hullbreaker might actually be good for the format, as it matches up favorably against the most combo-centric builds of Galvanic Iteration/Alrund's Epiphany