Light: Unlikely to contain a holographic card
Baffling End fits a nice slot on the curve and can deal with problematic cards such as Longtusk Cub or Scrapheap Scrounger while allowing those other removal spells or Fumigate to clean up the bigger threats later
This is the third in a series of profiles of major characters in the story of Ravnica Allegiance
Balance Card Types: A well-balanced deck typically includes a mix of creatures, spells, artifacts, and lands
All that said, if your local group gets agreement on using them (or any other House Rule, quite honestly), we support you in doing so
Specifically, these cards were unique as they featured artworks of the shiny Pokmon variants, marked with a shiny gold star stamp by the name, much like the sparkles of a shiny Pokemon encounter in the video games