Such event wasnt free o.o...
You had to invest time, where you could do other things. You know time is Money.
+ Electric bill^^
For me i had to run pc 24/7 because there were days where i wasnt at home at all.
Anyway karnium is fine. Still i think even getting munils/Colo's Unidentifed card, would be better then this Wolf Cave Random Box.
Noone says it should spam eremes cards or whatever, but theres enough different monsters, then seeing ppls getting 3/5 Brown Rackuf Cards, is just lame..