diff --git a/lib/jdecode.py b/lib/jdecode.py
index 682388a..5866def 100644
--- a/lib/jdecode.py
+++ b/lib/jdecode.py
@@ -68,7 +68,7 @@ def mtg_open_json(fname, verbose = False):
 
 # filters to ignore some undesirable cards, only used when opening json
 def default_exclude_sets(cardset):
-    return cardset == 'Unglued' or cardset == 'Unhinged' or cardset == 'Celebration'
+    return cardset == 'Unglued' or cardset == 'Unhinged' or cardset == "Unstable" or cardset == "HasCon 2017" or cardset == 'Celebration'
 
 def default_exclude_types(cardtype):
     return cardtype in ['conspiracy']