Those commenting about the need for more minions, orcs in particular were right. I've added some cheap orcs, adjusted the nazgul (putting in the twilight witch king, twilight attea, and enduring enquea) and droped the gates.
I've played 3 games with the deck. In the first I was doing fine with the corrupting side, though not as efficient as I would have liked, but got destroyed by a swarm of corsairs. I added Gandalf and a few extras so I could get rid of shadow possessions and conditions. I dropped the dwarf healing cards to find the room.
In the other two games I got corruption wins: one with Irresistable Shadow and one with 9 burdens on Isuldur (had a scroll). In that second one, I had all 4
Nobody Tosses a Dwarf on the first turn, had to wait to the second to use them, and forced 13 discards at once. I don't think I saw another minion the rest of the game as he was too afraid of Irresistable Shadow to play hardly anything after that.
I barely won the other game because
Melilot Brandybuck kept stopping burdens. Attea saved me there.
I'll try to post the current version of the list in the next day or so.