Coins with x100 prospects right now are few and far between.
Maybe some very low cap coins.
I think OCN has a good chance, cap is super low, got a lot of hype.
Probably better off in an ICO.
Ankr / NEX / Harmony / Oasis Labs / Solana / Rootstock
Lot's of good projects coming up, but getting in to them is getting harder and harder.