lazav can copy etrata if i am forced to put her in the graveyard (maybe through mill?) and/or choose not to put her back in the command zone (probably because i have lazav out. and i can.
clever impersonator can copy a lot of different things, maybe
strionic resonator? at the very least he can copy etrata, especially if i make it so the legend rule doesn't apply. but he allows flexibility since he can hit most things
panharmonicon works on things like
clever impersonator that come in and make copies, so ill get extra copies