1) You can use a Draft/Sealed deck as your quest starting card pool, 2) You can enforce formats when playing with specific starting pools, 3) Fixed a bug in the custom format dialog.

src/main/java/forge/gui/home/quest/CSubmenuQuestData.java

@@ -3,6 +3,7 @@ package forge.gui.home.quest;
 import static forge.quest.QuestStartPool.Complete;
 import static forge.quest.QuestStartPool.Precon;
 import static forge.quest.QuestStartPool.Rotating;
+import static forge.quest.QuestStartPool.UserDeck;
 
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -12,9 +13,12 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
+import javax.swing.JFileChooser;
 import javax.swing.JOptionPane;
 
 import forge.Command;
+import forge.deck.Deck;
+import forge.deck.io.DeckSerializer;
 import forge.Singletons;
 import forge.gui.framework.ICDoc;
 import forge.properties.ForgeProps;
@@ -47,17 +51,27 @@ public enum CSubmenuQuestData implements ICDoc {
     private final Command cmdQuestSelect = new Command() { @Override
         public void execute() { changeQuest(); } };
 
+    private File userDeck = null;
     private final Command cmdQuestDelete = new Command() { @Override
         public void execute() { update(); } };
 
     private final ActionListener preconListener = new ActionListener() {
         @Override
         public void actionPerformed(ActionEvent actionEvent) {
-            view.getCbxFormat().setEnabled(view.getRadRotatingStart().isSelected() && !view.getBoxCustom().isSelected());
+            view.getCbxFormat().setEnabled(view.getRadRotatingStart().isSelected()
-            view.getCbxPrecon().setEnabled(view.getRadPreconStart().isSelected());
+                    || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected())
-            view.getBoxPersist().setEnabled(view.getRadRotatingStart().isSelected());
+                    && !view.getBoxCustom().isSelected());
-            view.getBoxCustom().setEnabled(view.getRadRotatingStart().isSelected());
+            view.getCbxPrecon().setEnabled(view.getRadPreconStart().isSelected() && !view.getBoxDeckUser().isSelected());
-            view.getBtnCustom().setEnabled(view.getRadRotatingStart().isSelected() && view.getBoxCustom().isSelected());
+            view.getBoxPersist().setEnabled(view.getRadRotatingStart().isSelected()
+                    || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected()));
+            view.getBoxCustom().setEnabled(view.getRadRotatingStart().isSelected()
+                    || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected() && view.getBoxPersist().isSelected()));
+            view.getBtnCustom().setEnabled((view.getRadRotatingStart().isSelected()
+                    || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected()) && view.getBoxPersist().isSelected())
+                    && view.getBoxCustom().isSelected());
+            view.getBoxDeckUser().setEnabled(view.getRadPreconStart().isSelected());
+            view.getBtnDeckImport().setEnabled(view.getRadPreconStart().isSelected() && view.getBoxDeckUser().isSelected());
+            view.getBoxDeckFormat().setEnabled(view.getRadPreconStart().isSelected());
         }
     };
      private final ActionListener customFormatListener = new ActionListener() {
@@ -72,6 +86,28 @@ public enum CSubmenuQuestData implements ICDoc {
 
     };
 
+    private final ActionListener btnDeckImportListener = new ActionListener() {
+        @Override
+        public void actionPerformed(ActionEvent actionEvent) {
+            final JFileChooser open = new JFileChooser(ForgeProps.getFile(NewConstants.NEW_DECKS));
+            open.setDialogTitle("Import a Draft/Sealed Deck");
+            open.addChoosableFileFilter(DeckSerializer.DCK_FILTER);
+            open.setCurrentDirectory(ForgeProps.getFile(NewConstants.NEW_DECKS));
+            final int returnVal = open.showOpenDialog(null);
+
+            if (returnVal == JFileChooser.APPROVE_OPTION) {
+                userDeck = open.getSelectedFile();
+                if (userDeck.getPath().toLowerCase().contains("draft") || userDeck.getPath().toLowerCase().contains("sealed")) {
+                } else {
+                    JOptionPane.showMessageDialog(null, "Only Sealed Deck and Draft decks are allowed as a starting deck",
+                            "Illegal starting deck", JOptionPane.ERROR_MESSAGE);
+                    userDeck = null;
+                }
+            }
+        }
+    };
+
+
     /* (non-Javadoc)
      * @see forge.control.home.IControlSubmenu#update()
      */
@@ -85,6 +121,9 @@ public enum CSubmenuQuestData implements ICDoc {
         view.getRadPreconStart().addActionListener(preconListener);
         view.getBoxCustom().addActionListener(preconListener);
         view.getBtnFormatCustom().addActionListener(customFormatListener);
+        view.getBoxDeckUser().addActionListener(preconListener);
+        view.getBoxDeckFormat().addActionListener(preconListener);
+        view.getBtnDeckImport().addActionListener(btnDeckImportListener);
     }
 
     /* (non-Javadoc)
@@ -154,6 +193,11 @@ public enum CSubmenuQuestData implements ICDoc {
         final VSubmenuQuestData view = VSubmenuQuestData.SINGLETON_INSTANCE;
         int difficulty = 0;
 
+        if (view.getRadPreconStart().isSelected() && view.getBoxDeckUser().isSelected() && userDeck == null) {
+            JOptionPane.showMessageDialog(null, "Please select a deck first!",
+                    "No deck selected", JOptionPane.ERROR_MESSAGE);
+            return;
+        }
         final QuestMode mode = view.getBoxFantasy().isSelected() ? QuestMode.Fantasy : QuestMode.Classic;
 
         if (view.getRadEasy().isSelected()) {
@@ -177,7 +221,11 @@ public enum CSubmenuQuestData implements ICDoc {
         } else if (view.getRadRotatingStart().isSelected()) {
             startPool = Rotating;
         } else {
-            startPool = Precon;
+            if (view.getBoxDeckUser().isSelected() && userDeck != null) {
+                startPool = UserDeck;
+            } else {
+                startPool = Precon;
+            }
         }
 
         final Object o = JOptionPane.showInputDialog(null, "Poets will remember your quest as:", "Quest Name", JOptionPane.OK_CANCEL_OPTION);
@@ -192,13 +240,18 @@ public enum CSubmenuQuestData implements ICDoc {
         }
 
         // Give the user a few cards to build a deck
-        final boolean useCustomFormat = (view.getRadRotatingStart().isSelected() && view.getBoxCustom().isSelected());
+        final boolean useCustomFormat = ((view.getRadRotatingStart().isSelected()
+                || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected()))
+                && view.getBoxCustom().isSelected());
         if (useCustomFormat && userFormat != null) {
             userFormat.updateFilters();
         }
+
+        final boolean doPersist = view.getBoxPersist().isSelected()
+                && (view.getRadRotatingStart().isSelected() || (view.getRadPreconStart().isSelected() && view.getBoxDeckFormat().isSelected()));
+
         Singletons.getModel().getQuest().newGame(questName, difficulty, mode, startPool, rotatingFormat, startPrecon,
-                useCustomFormat ? userFormat : null,
+                useCustomFormat ? userFormat : null, doPersist, userDeck);
-                 view.getBoxPersist().isSelected());
         Singletons.getModel().getQuest().save();
 
         // Save in preferences.

src/main/java/forge/gui/home/quest/DialogCustomFormat.java

@@ -150,6 +150,8 @@ public class DialogCustomFormat extends JDialog {
             return;
         }
 
+        // Fix a problem with not updating changes
+        customFormat.emptyAllowedSets();
 
         for (int i = 0; i < choices.length; i++) {
             if (choices[i] != null) {

src/main/java/forge/gui/home/quest/VSubmenuQuestData.java

@@ -81,6 +81,10 @@ public enum VSubmenuQuestData implements IVSubmenu<CSubmenuQuestData> {
 
     private final JRadioButton radPreconStart = new FRadioButton("Preconstructed Deck: ");
     private final JComboBox cbxPrecon = new JComboBox();
+    private final FCheckBox boxDeckUser = new FCheckBox("User Deck");
+    private final JButton btnDeckImport = new JButton("Import");
+    private final FCheckBox boxDeckFormat = new FCheckBox("Use Format");
+
 
     private final FLabel btnEmbark = new FLabel.Builder().opaque(true)
             .fontSize(16).hoverable(true).text("Embark!").build();
@@ -152,6 +156,9 @@ public enum VSubmenuQuestData implements IVSubmenu<CSubmenuQuestData> {
         radUnrestricted.setSelected(true);
         cbxPrecon.setEnabled(false);
         radMedium.setEnabled(true);
+        boxDeckUser.setEnabled(false);
+        btnDeckImport.setEnabled(false);
+        boxDeckFormat.setEnabled(false);
 
         // Fantasy box enabled by Default
         boxFantasy.setSelected(true);
@@ -176,7 +183,10 @@ public enum VSubmenuQuestData implements IVSubmenu<CSubmenuQuestData> {
         pnlOptions.add(boxFormatPersist, constraints);
 
         pnlOptions.add(boxFantasy, constraints + ", gap 1% 4% 0 5px");
-        pnlOptions.add(radPreconStart, constraints);
+        pnlOptions.add(radPreconStart, constraints + ", w 14%!, h 27px!, split 4");
+        pnlOptions.add(boxDeckUser, constraints + ", w 12%!, h 27px!");
+        pnlOptions.add(btnDeckImport, constraints + ", w 12%!, h 27px!");
+        pnlOptions.add(boxDeckFormat, constraints + ", w 12%!, h 27px!");
 
         pnlOptions.add(cbxPrecon, constraints + ", skip 1");
         pnlOptions.add(btnEmbark, "w 300px!, h 30px!, ax center, span 2, gap 0 0 15px 30px");
@@ -304,6 +314,27 @@ public enum VSubmenuQuestData implements IVSubmenu<CSubmenuQuestData> {
         return radPreconStart;
     }
 
+    /**
+     * @return {@link javax.swing.JCheckBox}
+     */
+    public JCheckBox getBoxDeckUser() {
+        return boxDeckUser;
+    }
+
+    /**
+     * @return {@link javax.swing.JButton}
+     */
+    public JButton getBtnDeckImport() {
+        return btnDeckImport;
+    }
+
+    /**
+     * @return {@link javax.swing.JCheckBox}
+     */
+    public JCheckBox getBoxDeckFormat() {
+        return boxDeckFormat;
+    }
+
     /** @return {@link javax.swing.JComboBox} */
     public JComboBox getCbxFormat() {
         return this.cbxFormat;

src/main/java/forge/quest/QuestController.java

@@ -17,6 +17,7 @@
  */
 package forge.quest;
 
+import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -213,11 +214,15 @@ public class QuestController {
      * @param userFormat user-defined format, if any
      * @param persist
      *      enforce the format for the whole quest
+     * @param userDeck
+     *      user-specified starting deck
      */
     public void newGame(final String name, final int diff, final QuestMode mode, final QuestStartPool startPool,
-            final String startFormat, final String preconName, final GameFormatQuest userFormat, final boolean persist) {
+            final String startFormat, final String preconName, final GameFormatQuest userFormat, final boolean persist,
+            final File userDeck) {
 
-        if (persist && startPool == QuestStartPool.Rotating) {
+        if (persist
+                && (startPool == QuestStartPool.Rotating || startPool == QuestStartPool.Precon || startPool == QuestStartPool.UserDeck)) {
             this.load(new QuestData(name, diff, mode, startFormat, userFormat));
         } else {
             this.load(new QuestData(name, diff, mode, null, null));
@@ -225,6 +230,12 @@ public class QuestController {
 
         final Predicate<CardPrinted> filter;
         switch (startPool) {
+        case UserDeck:
+            if (userDeck == null) {
+                throw new RuntimeException("User deck is null!");
+            }
+            this.myCards.addDeck(Deck.fromFile(userDeck));
+            return;
         case Precon:
             this.myCards.addPreconDeck(QuestController.getPrecons().get(preconName));
             return;

src/main/java/forge/quest/QuestStartPool.java

@@ -3,5 +3,6 @@ package forge.quest;
 public enum QuestStartPool {
     Complete,
     Rotating,
-    Precon
+    Precon,
+    UserDeck
 }

src/main/java/forge/quest/QuestUtilCards.java

@@ -246,6 +246,15 @@ public final class QuestUtilCards {
         this.addAllCards(precon.getDeck().getSideboard().toFlatList());
     }
 
+    void addDeck(final Deck fromDeck) {
+        if (fromDeck == null) {
+            return;
+        }
+        this.qc.getMyDecks().add(fromDeck);
+        this.addAllCards(fromDeck.getMain().toFlatList());
+        this.addAllCards(fromDeck.getSideboard().toFlatList());
+    }
+
     /**
      * Sell card.
      * 

src/main/java/forge/quest/data/GameFormatQuest.java

@@ -129,6 +129,17 @@ public final class GameFormatQuest {
         this.filterPrinted = this.buildFilterPrinted();
     }
 
+    /**
+     * Empty the whole list.
+     */
+    public void emptyAllowedSets() {
+        if (allowedSetCodes != null) {
+            while (!allowedSetCodes.isEmpty()) {
+                allowedSetCodes.remove(0);
+            }
+        }
+    }
+
     /** 
      * @param setCode
      *      the set code to add