diff --git a/Program.cs b/Program.cs
index a6b1163..3927c0e 100644
--- a/Program.cs
+++ b/Program.cs
@@ -39,26 +39,19 @@ namespace creatureBirdDwarf
                 string responseFromServer = dataStream.ReadToEnd();
                 OracleIDd = JsonConvert.DeserializeObject<List<Card>>(responseFromServer);
             }
-            stripData(ref OracleIDd);
-
-            Console.WriteLine("stripped external (price and edhrec rank) data, writing to file");
 
             File.WriteAllText("./oracle-now.json", JsonConvert.SerializeObject(OracleIDd, Formatting.Indented, new Newtonsoft.Json.Converters.StringEnumConverter()));
-            var checksumNow = GetChecksum("./oracle-now.json");
-            Console.WriteLine($"oracled checksum: {checksumNow}");
 
             if (!File.Exists("./oracled.json"))
             {
                 File.CreateText("./oracled.json");
-                Console.WriteLine("no oracled.json, can't help but assume checksums will be different");
+                Console.WriteLine("no oracled.json, can't help but assume contents will be different");
             }
-            var checksumOlder = GetChecksum("./oracled.json");
-            Console.WriteLine($"previous oracled checksum: {checksumOlder}");
 
-            if (checksumOlder != checksumNow)
+            if (needUpdate("./oracled.json", "./oracle-now.json"))
             {
                 Console.WriteLine("looks different, going to have to update.");
-                Console.WriteLine("scryfall requests 50-100 ms between requests...");
+                Console.WriteLine("scryfall requests 50-100 ms between requests. Granted I can't imagine it hasn't been that long.");
                 await Task.Delay(100);
                 Console.WriteLine("should be good.");
                 File.Delete("./oracled.json");
@@ -71,7 +64,6 @@ namespace creatureBirdDwarf
                 {
                     string responseFromServer = dataStream.ReadToEnd();
                     defaultList = JsonConvert.DeserializeObject<List<Card>>(responseFromServer);
-                    stripData(ref defaultList);
                     File.WriteAllText("./default.json", JsonConvert.SerializeObject(defaultList, Formatting.Indented, new Newtonsoft.Json.Converters.StringEnumConverter()));
                 }
             }
@@ -81,23 +73,35 @@ namespace creatureBirdDwarf
                 File.Delete("./oracle-now.json");
             }
         }
-
-        private static void stripData(ref List<Card> collection)
+        public static bool needUpdate(string path1, string path2)
         {
-            foreach (var card in collection)
+            if(File.Exists(path1) && File.Exists(path2))
             {
-                card.prices = null;
-                card.edhrec_rank = null;
+                var lhs = JsonConvert.DeserializeObject<List<Card>>(File.ReadAllText(path1));
+                var rhs = JsonConvert.DeserializeObject<List<Card>>(File.ReadAllText(path2));
+                if(lhs == null || rhs == null)
+                {
+                    return true;
+                }
+                foreach(var lhsCard in lhs)
+                {
+                    var rhsCard = rhs.FirstOrDefault(c => c.oracle_id == lhsCard.oracle_id);
+                    if(rhsCard == null || lhsCard.oracle_text != rhsCard.oracle_text)
+                    {
+                        return true;
+                    }
+                    rhs.Remove(rhsCard);
+                }
+                if(rhs.Count() > 0)
+                {
+                    return true;
+                }
+
+                return false;
             }
-        }
-
-        private static string GetChecksum(string filePath)
-        {
-            using (var stream = new BufferedStream(File.OpenRead(filePath), 1200000))
+            else
             {
-                SHA256Managed sha = new SHA256Managed();
-                byte[] checksum = sha.ComputeHash(stream);
-                return BitConverter.ToString(checksum).Replace("-", String.Empty);
+                return true;
             }
         }
     }