Dunno if it was the implementation of Rotation or the new reward structure (or both), but my first climb to 100K felt good!
I had a lot of ideas at the start of the format, and admittedly none of them worked out, so I did just end up following the trends of Beyond-level deck lists toward the tail end. Still having some difficulty hanging onto this CR bracket, unfortunately... but hey, I'm not gonna complain just because one of my favorite archetypes is marginally underpowered.
I think the more granular rank progress is motivating! You're not really getting much more out of the climb than you would before, but the whole carrot-on-a-stick aspect of seeing the returns more frequently does a lot to reduce the emotional impact of an occasional losing streak. You stop thinking, "man, I'm getting nowhere" and instead think, "oh hey, that next reward is only a couple games away". Whatever psychologists Cygames hired to propose this change definitely led them in a good direction.
So, uh, yeah. New milestone for me. Mildly celebratory. Still looking for ways I could improve, though.