We were going to premiere the planeswalkers on futureshifted cards
Then we have a group of these like the recently printed enchantment that gives your stuff trample, draws when dorks of power four or more arrive instead of three, and you can draw when it ETBs
Beyond Exploration there are few ways to get lands out from your hand faster in the cube and it was felt the archetypes abusing those mechanics require redundancy, and sadly with Fastbond gone this has been the most impressive option
And in color combos like Grixis, Rakdos, Dimir, or Izzet that lack enchantment removal, it's a potato that's pretty hard to un-potato
Personally, as a Magic player since the early '90s, working on the set has been such a joy because it combines the best of the early days of Magic with all the learnings and progress Magic has made along the way