diff --git a/exceptions.py b/exceptions.py
index ca6844b..2b6ae51 100644
--- a/exceptions.py
+++ b/exceptions.py
@@ -93,3 +93,7 @@ class MissingRoleException(GameException):
 
 class MissingRosterException(GameException):
     pass
+
+
+class LegalityCheckNotRequired(GameException):
+    pass