Rubycoin and Magi both on PoSWallet. Probably better there since Coinomi doesn't pay stakes. PIVX is no longer supported by PoSWallet and you will be prompted to remove it. I don't think PosW even pays referrals anymore, so I was not fishing for referrals. The only thing I regret not doing is sending ShadowCash to Coinomi, as I seemed to overlook it. Actually, getting rid of them by selling is probably the best option. These coins will most likely go nowhere. Yep, I'm greedy-that's why I just gave some of the coins away.
RE: What to do with your delisted coins from Poloniex.com?