Oubliette-as-a-Room has a different feel from Oubliette as a card
Not as large of a drop as we commonly see with other cards, but savings nonetheless
But even if your deck values treasure exclusively as a mana source, its still an extremely potent theme to build around
You can pop off and do things in this deck that none of the other precons can do, and even though its treading on the heels of another pretty recent precon, Id guess thisll be the most popular of the bunch
Repeated resurrection of huge threats like Avacyn, Angel of Hope, Kokusho, the Evening Star, or Vorinclex, Voice of Hunger for a mere 3 mana is simply more than many pods can bear
Through the Breach, alongside ramp spells, sneaks Primeval Titan and Emrakul, the Aeons Torn onto the battlefield quickly (and very unfairly, if you ask me)