Japan is getting prebuilt, competitively viable decks with twice as many Rares and Super Rares, as well as two Legendary cards, all for around $6.50
Top 50 Gold Cards of All Time Everyone loves gold
And as pointed out by SCGs own Braden, Mover of Markets, its a two-card infinite damage combo with The Red Terror
For instance: Creatures (16) Lands (22) Spells (22) Sideboard Kotiranta knew his opponents would have a lot of sideboard hate for his fast black aggro deck, but Entomb + Reanimation spells + Vampiric Tutor to help set it up, let him transform into a combo deck that would surprise people with a quick Avatar of Woe or Phantom Nishoba, leaving them looking at the Shock in their hand in disbelief
The pricing tends to be very close to if not a little better than purchasing it in a store
Finale of Revelation requires 12+ mana to get all its perks, but that includes untapping some of your lands, shuffling your graveyard into your library, and removing your maximum hand size for the rest of the game