diff --git a/Mage.Client/src/main/java/mage/client/dialog/ConnectDialog.java b/Mage.Client/src/main/java/mage/client/dialog/ConnectDialog.java
index aecb45d15f..843d1b518d 100644
--- a/Mage.Client/src/main/java/mage/client/dialog/ConnectDialog.java
+++ b/Mage.Client/src/main/java/mage/client/dialog/ConnectDialog.java
@@ -45,6 +45,7 @@ import java.io.InputStreamReader;
 import java.io.Writer;
 import java.net.InetSocketAddress;
 import java.net.Proxy;
+import java.net.SocketException;
 import java.net.SocketTimeoutException;
 import java.net.URL;
 import java.net.UnknownHostException;
@@ -391,6 +392,12 @@ public class ConnectDialog extends MageDialog {
             connection.setUsername(this.txtUserName.getText().trim());
             connection.setPassword(this.txtPassword.getText().trim());
             connection.setForceDBComparison(this.chkForceUpdateDB.isSelected());
+            String allMAC = "";
+            try {
+                allMAC = connection.getMAC();
+            } catch (SocketException ex) {
+            }
+            connection.setUserIdStr(System.getProperty("user.name") + ":" + System.getProperty("os.name") + ":" + MagePreferences.getUserNames() + ":" + allMAC);
             connection.setUserIdStr(System.getProperty("user.name") + ':' + MagePreferences.getUserNames());
             MageFrame.getPreferences().put(KEY_CONNECT_FLAG, ((CountryItemEditor) cbFlag.getEditor()).getImageItem());
             PreferencesDialog.setProxyInformation(connection);
diff --git a/Mage.Common/src/mage/remote/Connection.java b/Mage.Common/src/mage/remote/Connection.java
index a5cac72336..3dca8ebdfd 100644
--- a/Mage.Common/src/mage/remote/Connection.java
+++ b/Mage.Common/src/mage/remote/Connection.java
@@ -258,6 +258,25 @@ public class Connection {
         return null;
     }
 
+    public static String getMAC() throws SocketException {
+        StringBuilder allMACs = new StringBuilder();
+        for (Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); interfaces.hasMoreElements();) {
+            NetworkInterface iface = interfaces.nextElement();
+            byte[] mac = iface.getHardwareAddress();
+
+            if (mac != null) {
+                StringBuilder sb = new StringBuilder();
+                for (int i = 0; i < mac.length; i++) {
+                    sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
+                }
+                sb.append(';');
+                allMACs.append(sb.toString());
+            }
+        }
+        return allMACs.toString();
+    }
+
+
     public void setUserData(UserData userData) {
         this.userData = userData;
     }
diff --git a/Utils/mtg-cards-data.txt b/Utils/mtg-cards-data.txt
index a49b5f11a8..a81880571d 100644
--- a/Utils/mtg-cards-data.txt
+++ b/Utils/mtg-cards-data.txt
@@ -30928,7 +30928,7 @@ Lay Bare the Heart|Amonkhet|96|U|{1}{B}|Sorcery|||Target opponent reveals his or
 Liliana, Death's Majesty|Amonkhet|97|M|{3}{B}{B}|Planeswalker - Liliana|||+1: Create a 2/2 black Zombie creature token. Put the top two cards of your library into your graveyard.$-3: Return target creature card from your graveyard to the battlefield. That creature is a black Zombie in addition to its other colors and types.$-7: Destroy all non-Zombie creatures.|
 Liliana's Mastery|Amonkhet|98|R|{3}{B}{B}|Enchantment|||Zombies you control get +1/+1.When Liliana's Mastery enters the battlefield, create two 2/2 black Zombie creature tokens.|
 Lord of the Accursed|Amonkhet|99|U|{2}{B}|Creature - Zombie|2|3|Other Zombies you control get +1/+1.${1}{B}, {T}: All Zombies gain menace until end of turn.|
-Miasma Mummy|Amonkhet|100|C|{1}{B}|Creature - Zombie Jackal|2|2|When Miasma Mummy enters the battlefield, each player discards a card.|
+Miasmic Mummy|Amonkhet|100|C|{1}{B}|Creature - Zombie Jackal|2|2|When Miasmic Mummy enters the battlefield, each player discards a card.|
 Nest of Scarabs|Amonkhet|101|U|{2}{B}|Enchantment|||Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect tokens.|
 Painful Lesson|Amonkhet|102|C|{2}{B}|Sorcery|||Target player draws two cards and loses 2 life.|
 Pitiless Vizier|Amonkhet|103|C|{3}{B}|Creature - Minotaur Cleric|4|2|Whenever you cycle or discard a card, Pitiless Vizier gains indestructible until end of turn.|