Some designs are generated because you're trying to solve a problem
These sets combine: Exclusive promo cards Collector-grade packaging Display value for long-term holding Fan-favorite characters like Venusaur and Cynthia's Garchomp add both emotional and collector appeal, making these boxes highly desirable
Thalia, Guardian of Thraben is an absolutely undeniable staple of this type of deck
It gives you two options, each great
So what tends to happen is that eager beavers will trade for a couple of pieces from some exciting new deck (generally right after they see it perform well on stream and the prices are at their highest) only to give up once they realize, holy mackerel, Vengevine is itself a $50 card and Leyline of the Void is up to $60 and you need a playset of Arid Mesa and wait, how much is Blackcleave Cliffs these days
The simplest way to think about this is that multi-artist cards are treated by "artist matters" cards much like multi-colored cards are treated by "color matters" cards