All shadow (which isn't unexpected as it is the shadow temple)
Costs 59 to 63, same group setup pretty much in all 5.
First round, 2 uncommons and 2 commons
Second round, 3 uncommons and 2 commons
Third round, 4 uncommons and 2 commons
Last round, 1 rare: Grandmaster Umbra
Total: 6 commons, 9 uncommons and 1 rare.
Uncommons are Draika, Takumi and Satoshi.
Which makes this the best farming zone for shadow. :)