Any champ with leech debuff can replace lifesteal gear at CB.

Deacon has decrease def in addition, Vogoth has debuff extension and a passive heal when attacked, Scabrius has poison and weaken, Corpse Collector has a bunch of poison.

ghrush is handy leech on his a1 dec crit dmg a2 and continuous heals on all champs on his a3 and can hit pretty hard 

im running him on my alterante account and hitting 2 key nm cb range with the others in damaged base gear and no lifesteal

Skadi's right about Leech being the big healer in CB, and there's a number of champs I can think of off the top of my head.

Ghrush is one for sure. Decrease Attack, Leech and a Continous Heal.

Uugo is another good one, with a cleanse, a heal and a leech.

Scabrius doesn't look bad, as far as new champ goes.

Hotatsu was someone I had working pretty well in a takeover I did.

New players should definitely use a leech champ and not lifesteal.  I don't think lifesteal should be used at all tbh except in niche cases.  Big fan of vogoth if u have him.  More useful than other leech champs in other content.  Deacon really good everywhere too, but squishy for CB and better to be built super fast.

I  use  sopihi  shes  a  beast  healer  

Lifesteal requires some very good rolls to pull off an effective team, and early on you just can't afford that. You should absolutely be aiming for a champ with leech.

Exactly :)

Sets like Perception, Accuracy and Speed are the way to go to hit the minimums to do well in CB. Leech gives you the healing.

Riho Bonespear, she is great in CB and lots of other places. She is a Void lego so it's bit harder to get.

She was my first void lego though