I'm very surprised to see that there are many people on this forum that actually dislike some of the expansions. To me, all expansions are fun to play with, adds very cool cards and have only very few flaws.
That's how I rank today :
1- Cornucopia - I like basically all cards except Tournament (but still, I sometimes find pleasure in using the prizes in specific contexts) and Hunting party in IRL plays. Now that a lot of new expansions are released, my excitement about cornucopia diminished a little but I still feel a nostalgic love for this little expansion.
2- Adventures - I do not like everything in this set (I'm not too fond of travellers, not very excited by all events and I don't get why caravan guard is so pointlessly weird), but the things I like, I really like them. Reserve cards adds lot of very interesting tactical decisions to the game. Guide and Transmogrify are awesome. Lost arts, Pathfinding, Training and Seaway allows to reinvent the cards in a creative ways (and that's what made me love dominion : the creativity of the deck-building concept). And Swamp Hag and Haunted woods are very balanced and brillantly designed attack cards. So this set is really interesting.
3- Dark Ages - DA have very interesting kingdom cards that plays in very unique ways. I'm thinking about Procession, Rats, Fortress, Poor house, Death Cart, Rogue or Beggar… I'm very disappointed by Cultist, I think it could have been better designed, like, with no chaining effect I would be very happy. Using the ruins for only three cards is also disappointing. And the fact that every game with knights turns into knight battle… another disappointed. But overall, this set is very nice.
4- Empires - I'm still discovering this expansion, I haven't even tried all the cards yet. But Landmarks is the reason why I rank this expansion high. I love alternative ways to gain victory points. I think some of these landmarks could have been old simple alt vp cards (palace, tower) and I miss these alt-vp that creates so interesting assymetric games. But the interaction around VP added by some landmarks and gathering cards is very interesting as well and adds more hard decisions. I'm less convinced by the new kingdom cards, but as I said, it's still too new for me.
5- Hinterlands - I like how this set made Big Money better again, and more interesting to play. A lot of cards in this set involve very subtle tactical decisions. I particularly enjoy Tunnel and Develop.
6- Seaside - I find the duration cards introduced in this set very fun to play, especially tactician and Outpost. Overall I like a lot of cards in this set, for different reasons. Even the simplest cards like Bazaar or Warehouse.
7- Intrigue 1st and 2nd edition - Both Intrigue have a bunch of interesting cards. I always enjoy playing with Conspirator, Bridge, Baron, Mining Village, Duke, or… Coppersmith
from the new edition cards, I like Mill, Replace, Diplomat and Lurker. These 4 could almost comfort me for the loss of coppersmith. Almost.
9- Guilds - I like a lot of the cards there, with no real preference. Coin tokens and overpay are nice concept that could have been used more, in a bigger expansion. Overpay especially is not very well used, it's just a small bonus for herald or doctor that rarely matters (and I really dislike the chance factor on doctor).
10- Prosperity - A cool set. My favorite cards are the $7 cost. I'm less excited by the rest and I dislike Mountebank and Goons because they are simply too strong and almost always worth it. And trade route is rarely more than just a weak trasher that sometimes provides money.
11- Dominion 2nd edition - Base game is fine, but I like expansions even more. Also, witch and chapel are too dominant but I'm ok with that, because new players won't necessarly see it and knowing that they are dominant don't make the game unintersting. The 2nd edition cards are fine as replacement for the 1st edition cards.
12- Alchemy - There are few problems about alchemy : the attack on scrying pool, the cost of familiar, the weakness of transmute and that's already 1/4 of the set. That's why I rank this expansion low, despite the funny cards.
13 - Dominion 1st edition - Because of the 6 duds replaced in the 2nd edition.
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