Suggestions.

In game
-Remove Card D,C and 2%,3% (Then put a mid drop rate for 4% Cards)
-Put some Amplification ES, Scroll of Low Acquisition or some more CS that will help players a little lot.
-Wider arena
-Change the name of those edited CS Set.
-DONATOR SIEGE and NON-DONATOR SIEGE.
-Buff Pang at DCGW Arena.

Forum
-Livelier colors[Prefer Light blue, Green or Yellow?] or change the entire forums XD

That's all.