It means that the sets were always meant to be played together, in which case Magic: The Gatherings old block format of drafts, where you'd take two from one set and one from the other, would have been more logical
I clearly wasnt alone in this line of thinking, because Black Market and Pawn of Ulamog saw an absolute ton of play during Commanders early years, and the former was actually a chase card for a while since its only printing was in Mercadian Masques prior to the release of Commander 2015
Thats because when she quests, not only do you get a whopping three lore, you can also ready up any other Princess characters you have on the field
During one of the groups attempts to stop the company, they learn of the return of Sephiroth, Clouds nemesis, and that with his reemergence, the planet is in greater danger than anyone had expected
But, regardless of color, you do have options