Seeing as you had to trade your Haunter to evolve it, Gengar wa a rare commodity in the mainline games
Sanctuary Warden is a card Im pretty interested in running in a deck like Shalai, Voice of Plenty, where generated +1/+1 counters can be turned into card draw and chump blockers, while shield counters can do the most work under a blanket of hexproof
Eye-catching artwork is the prominent theme here and the detail is incredible
Gavin Verhey will have an article later this week that will have more information on each of the 14 slots and which cards from the massive list below are found in which slot in the main set, so look for that
As I drew up a plan for November, I happened to list this week as mystery box since I had no concrete idea
Besides, its always good to have some copies of them available, just in case