Sets I'd like Wizards to revisit

Fairly recently Wizards of the Coast revisited the Ravnica block with Return to Ravnica, and before that they went back to Mirodin, and even did another Ice Age set with Coldsnap. That got me thinking about what other sets would be interesting to see again.

Arabian Nights
I would love to see this set with a proper story line. It has a lot of flavor but doesn't really have anything tying it all together with the rest of the multiverse. I think it would be cool to see some of these classic cards from Magic's first expansion updated for the modern era.

Tempest
There were a lot of great cards in this block, and it kept me playing Magic in High School. I stopped playing for a bit after this block ended, so I don't really know the fate of the plane of Rath. But still it would be awesome fun to see shadow and buyback back in standard.

Homelands
Yeah I would like to see another crack at this set. Long considered one of the worst sets in magic, I think it could be salvaged. The set was very flavorful, and had a very strong connection with planeswalkers, at a time when they were barely even mentioned. I think a new set, with some good cards in this setting would work out very well. At worst it would at least give an excuse to print out some new Serra cards.