A few other shots:
Necro makes limited draw (library, jack, watchtower) a bit better. You come have ~1/3 rd shot of colliding for an extra card to draw on the first shuffle. Given that this will often be the edge for a 5 or 6 coin hand vs a 4 or 5, this is small, but significant.
Overgrown estates makes uniform trashers (e.g. altar, trade route, trading post, masq, jack, steward) better. Cards that scale their benefits to trashed card cost are a bit worse. I might except bishop from that if only because it is a maximum of 3 points and all three shelters have the potential to get you to golden deck or other heavy bishop action sooner (necro let's you run double trashers for longer, hovel can be free trashed to get to golden deck a turn sooner, and Oge can give you a bit more buying power when you trash it) though the opponent's Oge means you do give him a free one-off lab at some point.
Peddler becomes more viable sooner. Necro allows you to substitute +buy for a village early on and you can do things like open Nomad Camp, Hamlet, Watchtower to start pounding out mass peddlers on T3 or 4.
Jester is worse because you have three cards that don't give curses, bloat, or allow you to gain anything.
Rebuild gets better with shelters - you can be sure to hit a duchy every time after the Oge is gone. Yeah, you can't turn estates into duchies, but it seems like duchies aren't hard to come buy; worst case is you just buy an estate to kick things off.
Scrying pool is slightly stronger thanks to having one fewer non-action in the deck. Conversely B-crat, transmute, rabble, fortune teller, silk road and the aforementioned scout all get worse because there are targets for them.
Governor is undecided to me. The remodel/upgrade choice gets a little weird. Your opponent can't turn estates into silvers off your remodels; however they can turn shelters into estates to break parity. You can still turn them into silvers, but you are almost always better off gaining golds. For a governor rush, I'm not sure but I think there might be more useful 2's (particularly with necro to give you a bit more terminal flexibility) so remodeling gold -> province is a bit less awesome (though still awesome).