From MTGSalvation user Crimsontide:
Both of these gems came from the Mothership:
Plus these two from the visual spoiler:
Djinn of Wishes
Elixir of Immortality
Plus two new cards!
Drifting Shade 3B
Creature – Shade (C)
B: Drifting Shade gets +1/+1 until end of turn.
Wall of Torches 1R
Creature – Wall (C)
Stonehorn isn’t new, but has been artless for a while.