diff --git a/pauper_metagame_analysis/mtggoldfish.py b/pauper_metagame_analysis/mtggoldfish.py
old mode 100644
new mode 100755
index 5ca5a2e..b596835
--- a/pauper_metagame_analysis/mtggoldfish.py
+++ b/pauper_metagame_analysis/mtggoldfish.py
@@ -16,3 +16,10 @@ class Format(Enum):
     PENNY_DREADFUL = "penny_dreadful"
     COMMANDER_1V1  = "commander_1v1"
     COMMANDER      = "commander"
+
+class Color(Enum):
+    WHITE = 0
+    BLUE  = 1
+    BLACK = 2
+    RED   = 3
+    GREEN = 4