Sevinne, the Chronoclasm Sevinne, the Chronoclasm works well because there are so many synergies surrounding it, like Secrets of the Dead and Torrential Gearhulk
It takes time for that base to become educated, for tastes and preferences to develope, for information about genuinely scarce sets (like EX-era, e-Series) to disseminate, and for that new, dispersed demand to start visibly having an effect on prices
The existence of these promos inclines me to change my investment behavior in one key way: for cards in the current set with premium versions, unless I'm investing really early on in the set's life cycle with an eye toward selling into the initial redemption rush, it's likely better to wait to invest until a bit closer to the next set's release
However, the last time we saw this was the inclusion of Japanese cards in Strixhaven: School of Mages, and those were kept exclusive to Collector boosters, which are not designed with drafting in mind
The art for Diabolic Tutor remained unchanged until the card was reprinted in Kaladesh