Rares and uncommon cards
Also, foil cards. Those were fun to collect, even if I only did so briefly.
The next expansion will be Scout themed. It will include such game-changing cards as Scoutsmith, Scouting Village, Scout Market, Scout Witch, Royal Scout, Treasure Scout and Ruined Scout.
Or young themed... Young Nobles, Young Scout, Young Necromancer, Young Peddler, Young Vassal, Young Duchess, Young Knights
Or Grand themed.... Grand Island, Grand Monument, Grand Garden, Grand Vineyard
Or Smith themed... Silversmith, Goldsmith, Platinum Smith, Potion Smith, Heirloom Smith, Platinum Smith, All Other Treasures Smith
Rhymes... Cats!, Bats!, Mats!, Lats!, Gnats!, Brats!, Pats!, Tats!, Chats!
More Rhymes... Boat, Coat, Note, Oat, Quote, Tote, Vote