@JerryMichalski @j3rry@toolsforthought.rocks With respect to your idea of a NeoDeck, I’m reminded of a slideshow set up that was built into a MediaWiki site which might fit some of the prototype you’re seeking?
Details: https://indieweb.org/Template:slideshow
Example: https://indieweb.org/2018/Baltimore/Building_Blocks
Individual pages could also likely be done via transclusion thereby giving one the ability to create re-orderable versions.