The math on gambling for the specific card doesn't work Open 2-3 booster boxes at MSRP for bulk commons, uncommons, and most reverse holos, then buy the remaining singles
You'll also know how many face-down conspiracies a player has in the command zone, although you won't know what they are
Addendum: With the advent of Link, I think the value of this card has increased as the main development power is required
Starlight Rare (SLR): Starlight Rare cards have the same horizontal holographic foil pattern as a Prismatic Secret Rare, but applied to the whole card rather than only the artwork, similar to the Platinum Secret Rare
As a mono-black legend, he provides a free sacrifice outlet, a card-draw engine, and a removal tool all in one card