Index: script/c0.lua
==================================================================
--- script/c0.lua
+++ script/c0.lua
@@ -222,8 +222,16 @@
     cache_1 = cache_1 + LOCATION_HAND
     cache_1 = cache_1 + LOCATION_MZONE
     cache_1 = cache_1 + LOCATION_SZONE
     cache_1 = cache_1 + LOCATION_GRAVE
     cache_1 = cache_1 + LOCATION_REMOVED
+    
+    cache_1 = Duel.GetFieldGroupCount(1,cache_1,0)
+    
+    if cache_1 == 0 then
+      return true
+    else
+      return false
+      end
     end
   
   end