Oh, I don't put much weight on those abilities because, with very few exceptions, they buff GCD heals. GCD heals are niche buttons. I mained SCH through early ShB precisely because it had one genuine piece of setup via Adlo shenanigans, but that very rarely comes up. Sage by default buffs both spells and oGCD abilities, which means you need to constantly be engaging with and planning around more dynamic potencies. I wish it had even more - and I'd be absolutely thrilled if more healing buffs were reworked to apply to oGCDs as well as spells.

AST I think of as being more advanced just due to card juggling. That's not the type of skill test that I'm into but it's enough to put it into a more difficult category compared to WHM imo.