I know this is a bit late of a comment now, but i think that having 50% evasion on echo is a bit op... I think that the uniques should be “ for each active clone ally” for each on the clones
then some sort of synergy with jedi generals... Such as anakin, general kenobi , e.c.t...
echo also shouldn’t have a damage penalty on his zeta
clone sergeant phase one should also gain a buff, kinda like snow trooper on his aoe
rex might also provide a new buff with his zeta lead, or maybe a complete resist to a specific debuff, like daze