The sets blistering sales numbers reflected this love and then some
All of the Fears feature ghostly heads protruding from their frames, implying that these monsters get bigger and are directly influenced or even created by the number of people who have the Fear
In past years, I've been more down on failed mechanics returning, but with the sheer number of cards Wizards is pumping out recently, and the innovation of Modern Horizons sets, unique Secret Lairs, and Universes Beyond sets, I could easily see a streamlined Radiance returning
Conclusion I really like that Wizards (if Kalemne is official) is trying out a different path for Red-White, pushing high CMC creatures, and possibly giving more support to Giants
It might be impossible to tell the oldest one, because they only put the print year on the cards.