I recently opened Mint/Secret Chamber here
http://www.gokosalvager.com/static/logprettifier.html?20150623/log.516d321ae4b082c74d7b345d.1435068951348.txt]
(http://wiki.dominionstrategy.com/images/9/92/Merchant_Ship.jpg) (http://wiki.dominionstrategy.com/index.php/Merchant Ship) (http://wiki.dominionstrategy.com/images/4/47/Minion.jpg) (http://wiki.dominionstrategy.com/index.php/Minion) (http://wiki.dominionstrategy.com/images/b/bc/Mint.jpg) (http://wiki.dominionstrategy.com/index.php/Mint) (http://wiki.dominionstrategy.com/images/0/01/Soothsayer.jpg) (http://wiki.dominionstrategy.com/index.php/Soothsayer) (http://wiki.dominionstrategy.com/images/e/ef/Venture.jpg) (http://wiki.dominionstrategy.com/index.php/Venture)
(http://wiki.dominionstrategy.com/images/b/b3/Secret_Chamber.jpg) (http://wiki.dominionstrategy.com/index.php/Secret Chamber) (http://wiki.dominionstrategy.com/images/6/6d/Warehouse.jpg) (http://wiki.dominionstrategy.com/index.php/Warehouse) (http://wiki.dominionstrategy.com/images/2/2e/Remodel.jpg) (http://wiki.dominionstrategy.com/index.php/Remodel) (http://wiki.dominionstrategy.com/images/d/d1/Throne_Room.jpg) (http://wiki.dominionstrategy.com/index.php/Throne Room) (http://wiki.dominionstrategy.com/images/1/12/Worker's_Village.jpg) (http://wiki.dominionstrategy.com/index.php/Worker's Village)
Secret Chamber, Warehouse, Remodel, Throne Room, Worker's Village, Merchant Ship, Minion, Mint, Soothsayer, Venture
Secret Chamber could be replaced by Poor House. Also, a Mint opening can be really devastating when Alms is out.