In Modern, building with Concealing Curtains gets a bit trickier, but if you want to avoid the Rakdos trap of losing to Sanctifier en-Vec, I can see Concealing Curtains as a one-drop of choice for an Esper or Sultai Lurrus deck
With only giving up 1 Prize, you often will find yourself happy to see a Terrakion (or any non-Pokmon- EX ) get KOd to abuse Retaliate and Twins and keep you well on pace with the prize race
Indulging Patrician fits right at home in a Snapdax, Apex Predator deck, but few might consider it outside of that
Still, here are some reasons why its good: For Orzhov (the best performing x archetype), this is a small creature that rewards you for playing other small creatures
65 A Fanciful Flight 66 The Beast of the Sea 67 Peace Is Restored 68 Farewell Lugia 69 A Mothers Concern 70 its Not Over Yet 71 Were Blasting Off Again Checklist Animation Stick-On Action Scenes Checklist 10 cards
Thanks to the popularity of the Commander format, more cards that build sacrifice engines and reward you for following this strategy are being printed, and Im all for it