disenchant cards mtg arena [Alpha Edition] Destroy target artifact or enchantment. Disenchant MTG - Tempest Remastered

It means that Soulless Jailer dies to things like Fatal Push and Solitude, which is bad, but it also means you can find it with cards like Collected Company and Chord of Calling, which is good

What about other RUG decks

While this creature is an absolute powerhouse in more niche decks like Odric, Lunarch Marshal, you can bet that any Eldrazi-based or mono-green deck can power this creature out in no time

Going straight from 3 mana to 6 the next turn after you play a land lets you rocket out some terrifying beaters like Hellkite Tyrant and Ancient Copper dragon quite early, and you can run blacks cheap graveyard tutoring like Buried Alive or Entomb to gain easy access to a variety of threats