diff --git a/hearthstone/cardxml.py b/hearthstone/cardxml.py
index ed3b934..b5ced70 100644
--- a/hearthstone/cardxml.py
+++ b/hearthstone/cardxml.py
@@ -365,6 +365,8 @@ def is_functional_duplicate_of(self, other):
 	collectible = prop(GameTag.COLLECTIBLE, bool)
 	colossal = prop(GameTag.COLOSSAL, bool)
 	battlecry = prop(GameTag.BATTLECRY, bool)
+	choose_one = prop(GameTag.CHOOSE_ONE, bool)
+	combo = prop(GameTag.COMBO, bool)
 	corrupt = prop(GameTag.CORRUPT, bool)
 	deathrattle = prop(GameTag.DEATHRATTLE, bool)
 	discover = prop(GameTag.DISCOVER, bool)