Also includes one foil stained-glass planeswalker:
[SLD:526] Teferi,
[SLD:528] Ashiok,
[SLD:529] Dovin,
[SLD:531] Kaya, or
[SLD:524] Sorin. All drops from the Dr. Lair's Secretorium Superdrop have a roughly 7% chance to have a Blueprint artifact card instead of their normal bonus card:
[SLD:603-607].