diff --git a/src/main/java/forge/gui/deckeditor/controllers/CEditorQuestCardShop.java b/src/main/java/forge/gui/deckeditor/controllers/CEditorQuestCardShop.java
index 12d5f302eb2..04357136d85 100644
--- a/src/main/java/forge/gui/deckeditor/controllers/CEditorQuestCardShop.java
+++ b/src/main/java/forge/gui/deckeditor/controllers/CEditorQuestCardShop.java
@@ -364,7 +364,6 @@ public final class CEditorQuestCardShop extends ACEditorBase<InventoryItem, Deck
         if (item instanceof PaperCard) {
             final PaperCard card = (PaperCard) item;
             this.getDeckManager().addItem(card, qty);
-            this.getCatalogManager().removeItem(item, qty);
             this.questData.getCards().buyCard(card, qty, value);
 
         } else if (item instanceof OpenablePack) {
@@ -379,13 +378,13 @@ public final class CEditorQuestCardShop extends ACEditorBase<InventoryItem, Deck
                 }
                 this.questData.getCards().buyPack(booster, value);
                 final List<PaperCard> newCards = booster.getCards();
-                final List<InventoryItem> newInventory = new LinkedList<InventoryItem>(newCards);
+
+                ItemPool<InventoryItem> newInventory = new ItemPool<InventoryItem>(InventoryItem.class);
+                newInventory.addAllFlat(newCards);
                 getDeckManager().addItems(newInventory);
-                final CardListViewer c = new CardListViewer(booster.getName(),
-                        "You have found the following cards inside:", newCards);
+                final CardListViewer c = new CardListViewer(booster.getName(), "You have found the following cards inside:", newCards);
                 c.show();
             }
-            this.getCatalogManager().removeItem(item, qty);
         } else if (item instanceof PreconDeck) {
             final PreconDeck deck = (PreconDeck) item;
             this.questData.getCards().buyPreconDeck(deck, value);
@@ -400,8 +399,8 @@ public final class CEditorQuestCardShop extends ACEditorBase<InventoryItem, Deck
                     one ? "Deck" : String.format("%d copies of deck", qty),
                     deck.getName(), one ? "was" : "were", one ? "Its" : "Their"),
                     "Thanks for purchasing!", JOptionPane.INFORMATION_MESSAGE);
-            this.getCatalogManager().removeItem(item, qty);
-        }
+        } else return;
+        this.getCatalogManager().removeItem(item, qty);
 
         this.creditsLabel.setText("Credits: " + this.questData.getAssets().getCredits());
     }
diff --git a/src/main/java/forge/gui/toolbox/itemmanager/ItemManager.java b/src/main/java/forge/gui/toolbox/itemmanager/ItemManager.java
index 63d46aa3558..465446583c0 100644
--- a/src/main/java/forge/gui/toolbox/itemmanager/ItemManager.java
+++ b/src/main/java/forge/gui/toolbox/itemmanager/ItemManager.java
@@ -280,29 +280,9 @@ public abstract class ItemManager<T extends InventoryItem> extends JPanel {
      */
     public void addItems(Iterable<Map.Entry<T, Integer>> itemsToAdd) {
         final int n = this.table.getSelectedRow();
-        for (Map.Entry<T, Integer> item : itemsToAdd) {
-            this.pool.add(item.getKey(), item.getValue());
-            if (this.isUnfiltered()) {
-                this.model.addItem(item.getKey(), item.getValue());
-            }
-        }
-        this.updateView(false);
-        this.table.fixSelection(n);
-    }
-    
-    /**
-     * 
-     * addItems.
-     * 
-     * @param itemsToAdd
-     */
-    public void addItems(Collection<T> itemsToAdd) {
-        final int n = this.table.getSelectedRow();
-        for (T item : itemsToAdd) {
-            this.pool.add(item, 1);
-            if (this.isUnfiltered()) {
-                this.model.addItem(item, 1);
-            }
+        this.pool.addAll(itemsToAdd);
+        if (this.isUnfiltered()) {
+            this.model.addItems(itemsToAdd);
         }
         this.updateView(false);
         this.table.fixSelection(n);