I think most often youre dropping it as the Parlor, and then when you want to close the game, you unlock the Secret Arcade, which will buff your All that Glitters, Ancestral Mask et al
For cards printed before the Exodus set (1998), all set symbols were black
While I still have some reservations, I find the D&D crossovers a lot easier to reconcile with Magics aesthetic (as I likely will with the Lord of the Rings set, and I am sure I would have were this set of precons focused on Warhammer Fantasy Battles, or even Age of Sigmar)
It is insanely good at creating a huge sliver army, pumping the slivers, meanwhile disabling your opponent through a number of removal abilities and ultimatums
The fact that Chrome Mox has such a painful drawback is what makes it both so fair and so good in terms of this article