Now Some clans are not as strong as they were, like pirana,Sentinel,Rescue; and there are some banned characters of those clan which may not be necessary now,(like Smokey, Lea, Hawk ), and there might be more
I suggest UNBAN some characters and elo might be more fun, instead of repeatly sell new cards and bury old ones, there are some cards can play in ELO now, and really miss them.
I guess if you're looking for a short answer.
2 "Jungo are vastly OP"
Life gain needs a max or it can get out of hand, especially since you can win rounds with Jungo by not really doing anything.
I'm guessing Troompah will eventually get perm-banned anyways because you don't want your opponent to get an easy win with Troompah while they have Buba in their hand as well. It'd be an easier to ban Troompah than 2/3 other cards in the clan.
You're definitely not gonna see emeth get unbanned, ever