With your characters you could give Rey (Jedi training), R2, 3po, BB8, and Chewie a try.
I Don't remember the exact strategy or if it was better to have guard on bb8 or RJT, but it was fairly reliable (~80% win rate) back during the JKR meta before I had Nest. I remember using smokescreen on R2 so he gets marked, then just whittle down their team. RJT's healing immunity can't be dispelled so it counters JKR's savior ability. RJT can also really control the battle with turn meter manipulation.
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CLS is soft counter to Revan. You will lose a lot till you overhear the team
I Don't remember the exact strategy or if it was better to have guard on bb8 or RJT, but it was fairly reliable (~80% win rate) back during the JKR meta before I had Nest. I remember using smokescreen on R2 so he gets marked, then just whittle down their team. RJT's healing immunity can't be dispelled so it counters JKR's savior ability. RJT can also really control the battle with turn meter manipulation.