This was an amazing SotG! What a great way to finish off the year! Here are some things I noticed that I don't think anyone has pointed out yet...
Fairy logs, Life Fruit, and Shadow Orbs are all placeable.
This new tool that will allow us to place stalactites and stalagmites is called the Mitey-Titey (very clever name).
This is probably just Yoraizor's Terraprisma color, but basic dye might become more effective at dying the Terraprisma (if not please give this to us Re-Logic).