I was looking this up and thought I might as well dump it here:

Top Commons:
Lysis 13
Ord Stone 12
Vapor Mahal 11
Flame Ent 9


Bottom Uncommons:
Planar Intersection, Air
Impure Impulses
KDPW Levy Corps
Tales of Yore
Barrier Peaks
Lightness of Being
Exhausted Mine
Zeppelin Raiders
all 2g

Top Uncommons:
Teleport 60
Baron of Dellen 70
Benefits of Spectacle 109
Blessed are the Meek 113

Bottom Rares:
Mass Confusion 9
Lava Blister 15
Naga Sentinel 18
Earthquake 18
Dag Cannon 19


Top Rares:
Ivory Spire 211
Scorched Horizons 294
Charm 300
Hill Giant Contractors 368
Hadarck's Throne 473

Use this information wisely...

but you just nerfed some of these cards..

also: when are the updates to the cards taking place?