This is the expansion made from stretch goals from the Aeon's End: Legacy of Gravehold Kickstarter campaign.

It is composed of the following market cards:

Gems:
Allaying Shell
Pulsyrium Globe
Shimmerbead
Witchglass

Relics:
Aether Widget
Contingency Kit
Element Convertor
Ghost Harness
Rainbow Flourite
Vim Infuser

Spells:
Accelerating Field
Bestowing Light
Dawn Barrage
Force Bubble
Harmonize
Phantasmagoria
Magnify
Reverse Gravity
Rune Tutor
Stupefy

The Ruins expansion was originally released as part of the Legacy of Gravehold Kickstarter.