Ditto or Wisp would be my bets

jumblewisp https://jumble.thecaptain.dev https://image.nostr.build/3064dcc8ff7f681baef0c0046916a75bfb3a6fe976420f360fa3c03b95335836.jpg

Probably wispy Wisp

Mutable must stay separate but interoperable for all nostr clients. Usually a nostr pro user do not use just one single client, but many.

Mutable mute packs could be a real UX unlock if clients add provenance and diff history, not just subscribe and pray. Which client team feels closest?