diff --git a/Assets/Data/Distros/Ubuntu.asset b/Assets/Data/Distros/Ubuntu.asset
index ba174de..eb51237 100644
--- a/Assets/Data/Distros/Ubuntu.asset
+++ b/Assets/Data/Distros/Ubuntu.asset
@@ -23,4 +23,9 @@ MonoBehaviour:
   baseUptime: 60
   baseRam: 5
   baseCyclesPerTurn: 3
-  exclusiveCards: []
+  exclusiveCards:
+  - {fileID: 11400000, guid: 0a4f1d1d84564f3cad58b8863e941201, type: 2}
+  - {fileID: 11400000, guid: 14c5d40f866a4cb6b0a6316e01f42891, type: 2}
+  - {fileID: 11400000, guid: 2a0f50d541f046fc99c8fb6deef4f1aa, type: 2}
+  - {fileID: 11400000, guid: 3d57857f3f30419c8be4c44914c5abbe, type: 2}
+  - {fileID: 11400000, guid: 4cae271a0f4146c59aab74e4c9d6d0f8, type: 2}
diff --git a/Assets/Scenes/MainMenuScene.unity b/Assets/Scenes/MainMenuScene.unity
index 27ca081..71fcc0f 100644
--- a/Assets/Scenes/MainMenuScene.unity
+++ b/Assets/Scenes/MainMenuScene.unity
@@ -306,4 +306,5 @@ MonoBehaviour:
   monospaceFont: {fileID: 0}
   motdBody: unstable userspace detected; keep a rollback shell open.
   distroDatabase: {fileID: 11400000, guid: 4d88ca5446fa4d80b2fbd4b12697cb7c, type: 2}
+  cardDatabase: {fileID: 11400000, guid: 6a8a9f37c98a4a7a9e67ab15d2d22208, type: 2}
   featuredUnitPanel: {}
diff --git a/Assets/Scripts/Data/CardDefinition.cs b/Assets/Scripts/Data/CardDefinition.cs
index e7a8a77..37dfd79 100644
--- a/Assets/Scripts/Data/CardDefinition.cs
+++ b/Assets/Scripts/Data/CardDefinition.cs
@@ -17,6 +17,8 @@ namespace KernelPanic.Data
         [SerializeField] private int cycleCost;
         [SerializeField] private ResolutionTrack resolutionTrack;
         [SerializeField] private bool distroExclusive;
+        [SerializeField] private bool isToken;
+        [SerializeField, TextArea] private string designNotes;
         [SerializeField] private CardDefinition upgradeTarget;
         [SerializeField] private List<CardEffectDefinition> effects = new();
 
@@ -28,6 +30,8 @@ namespace KernelPanic.Data
         public int CycleCost => cycleCost;
         public ResolutionTrack ResolutionTrack => resolutionTrack;
         public bool DistroExclusive => distroExclusive;
+        public bool IsToken => isToken;
+        public string DesignNotes => designNotes;
         public CardDefinition UpgradeTarget => upgradeTarget;
         public IReadOnlyList<CardEffectDefinition> Effects => effects;
     }
diff --git a/Assets/Scripts/Meta/SaveService.cs b/Assets/Scripts/Meta/SaveService.cs
index 84c0229..c902df1 100644
--- a/Assets/Scripts/Meta/SaveService.cs
+++ b/Assets/Scripts/Meta/SaveService.cs
@@ -60,6 +60,7 @@ namespace KernelPanic.Meta
         public bool starterChosen;
         public List<string> ownedUnitIds = new();
         public List<string> bannerPoolIds = new();
+        public List<CardLoadoutSaveEntry> cardLoadouts = new();
 
         public static SaveData CreateDefault()
         {
@@ -70,6 +71,24 @@ namespace KernelPanic.Meta
         {
             ownedUnitIds ??= new List<string>();
             bannerPoolIds ??= new List<string>();
+            cardLoadouts ??= new List<CardLoadoutSaveEntry>();
+            for (int i = 0; i < cardLoadouts.Count; i++)
+            {
+                cardLoadouts[i] ??= new CardLoadoutSaveEntry();
+                cardLoadouts[i].EnsureLists();
+            }
+        }
+    }
+
+    [Serializable]
+    public sealed class CardLoadoutSaveEntry
+    {
+        public string distroId;
+        public List<string> equippedCardIds = new();
+
+        public void EnsureLists()
+        {
+            equippedCardIds ??= new List<string>();
         }
     }
 }
diff --git a/Assets/Scripts/UI/MainMenuController.cs b/Assets/Scripts/UI/MainMenuController.cs
index f88a9b1..19227b2 100644
--- a/Assets/Scripts/UI/MainMenuController.cs
+++ b/Assets/Scripts/UI/MainMenuController.cs
@@ -37,6 +37,7 @@ namespace KernelPanic.UI
         [SerializeField] private FontAsset monospaceFont; // TODO: Assign a real monospace FontAsset when typography assets exist.
         [SerializeField] private string motdBody = "unstable userspace detected; keep a rollback shell open.";
         [SerializeField] private DistroDatabase distroDatabase;
+        [SerializeField] private CardDatabase cardDatabase;
         [SerializeField] private FeaturedUnitPanel featuredUnitPanel = new();
         [SerializeField] private CollectionScreenController collectionScreen = new();
         [SerializeField] private StarterSelectionController starterSelection = new();
@@ -48,6 +49,7 @@ namespace KernelPanic.UI
         private VisualElement bootIntroPanel;
         private VisualElement mainMenuPanel;
         private VisualElement collectionPanel;
+        private VisualElement runSetupPanel;
         private VisualElement gachaPanel;
         private VisualElement settingsPanel;
         private VisualElement eventBanner;
@@ -61,6 +63,9 @@ namespace KernelPanic.UI
         private Label motdBodyLabel;
         private VisualElement motdBlock;
         private Button collectionBackButton;
+        private Button collectionUnitsButton;
+        private Button collectionCardsButton;
+        private Button runSetupBackButton;
         private Button gachaBackButton;
         private Button settingsBackButton;
         private SaveService saveService;
@@ -68,6 +73,7 @@ namespace KernelPanic.UI
         private EntropyWallet wallet;
         private GachaService gachaService;
         private PlayerCollection playerCollection;
+        private CardLoadout cardLoadout;
         private BackgroundLogRingBuffer backgroundLog;
         private IEventBannerSource eventBannerSource;
         private int selectedCommandIndex;
@@ -76,6 +82,7 @@ namespace KernelPanic.UI
         private bool cursorVisible;
         private bool suppressNextClick;
         private bool warnedUnresolvedSaveId;
+        private bool warnedInvalidLoadoutId;
         private string bootIntroCopy;
         private IVisualElementScheduledItem blinkSchedule;
         private IVisualElementScheduledItem bootIntroSchedule;
@@ -92,6 +99,7 @@ namespace KernelPanic.UI
             saveService = new SaveService();
             gachaService = new GachaService();
             playerCollection = new PlayerCollection(); // TODO: Replace with persistent player-collection service composition.
+            cardLoadout = new CardLoadout(playerCollection.OwnedUnits);
             Initialize(new EntropyWallet()); // TODO: Replace with persistent wallet service composition.
             BindElements();
             BindCommandEntries();
@@ -137,6 +145,7 @@ namespace KernelPanic.UI
             bootIntroPanel = root.Q<VisualElement>("BootIntroPanel");
             mainMenuPanel = root.Q<VisualElement>("MainMenuPanel");
             collectionPanel = root.Q<VisualElement>("CollectionPanel");
+            runSetupPanel = root.Q<VisualElement>("RunSetupPanel");
             gachaPanel = root.Q<VisualElement>("GachaPanel");
             settingsPanel = root.Q<VisualElement>("SettingsPanel");
             eventBanner = root.Q<VisualElement>("EventBanner");
@@ -153,6 +162,9 @@ namespace KernelPanic.UI
             motdBodyLabel = root.Q<Label>("MotdBodyLabel");
 
             collectionBackButton = root.Q<Button>("CollectionBackButton");
+            collectionUnitsButton = root.Q<Button>("CollectionUnitsButton");
+            collectionCardsButton = root.Q<Button>("CollectionCardsButton");
+            runSetupBackButton = root.Q<Button>("RunSetupBackButton");
             gachaBackButton = root.Q<Button>("GachaBackButton");
             settingsBackButton = root.Q<Button>("SettingsBackButton");
         }
@@ -182,6 +194,9 @@ namespace KernelPanic.UI
             root.RegisterCallback<KeyDownEvent>(HandleKeyDown);
             root.RegisterCallback<PointerDownEvent>(HandlePointerDown);
             collectionBackButton.clicked += ShowMainMenu;
+            collectionUnitsButton.clicked += ShowCollectionUnits;
+            collectionCardsButton.clicked += ShowCollectionCards;
+            runSetupBackButton.clicked += ShowMainMenu;
             gachaBackButton.clicked += ShowMainMenu;
             settingsBackButton.clicked += ShowMainMenu;
         }
@@ -191,6 +206,9 @@ namespace KernelPanic.UI
             root.UnregisterCallback<KeyDownEvent>(HandleKeyDown);
             root.UnregisterCallback<PointerDownEvent>(HandlePointerDown);
             collectionBackButton.clicked -= ShowMainMenu;
+            collectionUnitsButton.clicked -= ShowCollectionUnits;
+            collectionCardsButton.clicked -= ShowCollectionCards;
+            runSetupBackButton.clicked -= ShowMainMenu;
             gachaBackButton.clicked -= ShowMainMenu;
             settingsBackButton.clicked -= ShowMainMenu;
         }
@@ -217,6 +235,29 @@ namespace KernelPanic.UI
                     gachaService.AddToBannerPool(unit);
                 }
             }
+
+            for (int i = 0; i < saveData.cardLoadouts.Count; i++)
+            {
+                CardLoadoutSaveEntry entry = saveData.cardLoadouts[i];
+                entry.EnsureLists();
+                List<string> resolvedIds = new();
+                for (int cardIndex = 0; cardIndex < entry.equippedCardIds.Count; cardIndex++)
+                {
+                    string resolvedId = ResolveSavedCardId(entry.equippedCardIds[cardIndex]);
+                    if (!string.IsNullOrWhiteSpace(resolvedId))
+                    {
+                        resolvedIds.Add(resolvedId);
+                    }
+                }
+
+                if (!cardLoadout.TryLoad(entry.distroId, resolvedIds, out bool skippedInvalid) || skippedInvalid)
+                {
+                    WarnInvalidLoadoutId();
+                }
+            }
+
+            EnsureLoadoutsForOwnedUnits();
+            SaveCurrentState();
         }
 
         private DistroDefinition ResolveSavedDistro(string id)
@@ -231,8 +272,37 @@ namespace KernelPanic.UI
             return unit;
         }
 
+        private string ResolveSavedCardId(string id)
+        {
+            if (cardDatabase == null)
+            {
+                return id;
+            }
+
+            CardDefinition card = cardDatabase.FindById(id);
+            if (card == null)
+            {
+                WarnInvalidLoadoutId();
+                return null;
+            }
+
+            return card.Id;
+        }
+
+        private void WarnInvalidLoadoutId()
+        {
+            if (warnedInvalidLoadoutId)
+            {
+                return;
+            }
+
+            warnedInvalidLoadoutId = true;
+            Debug.LogWarning("Save references an invalid card loadout id; restoring a valid default loadout.");
+        }
+
         private void HandleMetaStateChanged()
         {
+            EnsureLoadoutsForOwnedUnits();
             SaveCurrentState();
             featuredUnitPanel.Refresh(playerCollection.OwnedUnits);
             collectionScreen.Refresh(playerCollection.OwnedUnits);
@@ -277,6 +347,8 @@ namespace KernelPanic.UI
                 }
             }
 
+            cardLoadout.WriteTo(saveData.cardLoadouts);
+
             saveService.Save(saveData);
         }
 
@@ -416,6 +488,30 @@ namespace KernelPanic.UI
                 return;
             }
 
+            if (IsRunSetupVisible())
+            {
+                if (evt.keyCode == KeyCode.UpArrow)
+                {
+                    SelectPackage(selectedPackageIndex - 1);
+                    evt.StopPropagation();
+                    return;
+                }
+
+                if (evt.keyCode == KeyCode.DownArrow)
+                {
+                    SelectPackage(selectedPackageIndex + 1);
+                    evt.StopPropagation();
+                    return;
+                }
+
+                if (evt.keyCode == KeyCode.Return || evt.keyCode == KeyCode.KeypadEnter)
+                {
+                    ToggleSelectedPackage();
+                    evt.StopPropagation();
+                    return;
+                }
+            }
+
             if (evt.keyCode == KeyCode.UpArrow)
             {
                 SelectCommand(selectedCommandIndex - 1);
@@ -453,6 +549,22 @@ namespace KernelPanic.UI
             }
         }
 
+        private bool IsRunSetupVisible()
+        {
+            return runSetupPanel != null && !runSetupPanel.ClassListContains(HiddenClassName);
+        }
+
+        private void SelectPackage(int index)
+        {
+            if (packageRows.Count == 0)
+            {
+                return;
+            }
+
+            selectedPackageIndex = (index + packageRows.Count) % packageRows.Count;
+            RefreshPackageSelection();
+        }
+
         private void HandlePointerDown(PointerDownEvent evt)
         {
             root.Focus();
@@ -486,7 +598,8 @@ namespace KernelPanic.UI
 
         private void HandleStartRunClicked()
         {
-            SceneLoader.LoadGame();
+            RefreshRunSetup();
+            ShowPanel(runSetupPanel);
         }
 
         private void HandleQuitClicked()
@@ -510,6 +623,18 @@ namespace KernelPanic.UI
             ShowPanel(collectionPanel);
         }
 
+        private void ShowCollectionUnits()
+        {
+            collectionShowingCards = false;
+            RefreshCollection();
+        }
+
+        private void ShowCollectionCards()
+        {
+            collectionShowingCards = true;
+            RefreshCollection();
+        }
+
         private void ShowGacha()
         {
             ShowPanel(gachaPanel);
@@ -525,6 +650,7 @@ namespace KernelPanic.UI
         {
             mainMenuPanel.EnableInClassList(HiddenClassName, mainMenuPanel != activePanel);
             collectionPanel.EnableInClassList(HiddenClassName, collectionPanel != activePanel);
+            runSetupPanel.EnableInClassList(HiddenClassName, runSetupPanel != activePanel);
             gachaPanel.EnableInClassList(HiddenClassName, gachaPanel != activePanel);
             settingsPanel.EnableInClassList(HiddenClassName, settingsPanel != activePanel);
         }
diff --git a/Assets/UI/CollectionScreen.uxml b/Assets/UI/CollectionScreen.uxml
index ff653ce..8cc435e 100644
--- a/Assets/UI/CollectionScreen.uxml
+++ b/Assets/UI/CollectionScreen.uxml
@@ -1,6 +1,10 @@
 <ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements" editor-extension-mode="False">
     <ui:VisualElement name="CollectionPanel" class="sub-panel hidden">
         <ui:Label text="COLLECTION" class="screen-title" />
+        <ui:VisualElement class="collection-actions">
+            <ui:Button name="CollectionUnitsButton" text="units" class="terminal-button collection-action-button" />
+            <ui:Button name="CollectionCardsButton" text="cards" class="terminal-button collection-action-button" />
+        </ui:VisualElement>
         <ui:VisualElement name="CollectionContent" class="collection-shell">
             <ui:ScrollView name="CollectionList" class="collection-list" />
             <ui:VisualElement name="CollectionDetail" class="collection-detail" />
diff --git a/Assets/UI/MainMenu.uss b/Assets/UI/MainMenu.uss
index 79a9578..bc57d71 100644
--- a/Assets/UI/MainMenu.uss
+++ b/Assets/UI/MainMenu.uss
@@ -481,6 +481,31 @@ Button {
     flex-direction: row;
 }
 
+.collection-actions {
+    width: 760px;
+    flex-direction: row;
+    justify-content: flex-end;
+    margin-bottom: 10px;
+}
+
+.collection-action-button {
+    width: 110px;
+    height: 34px;
+    margin-top: 0;
+    margin-left: 8px;
+}
+
+.collection-action-button.selected {
+    background-color: var(--kp-primary);
+    color: var(--kp-bg);
+}
+
+.run-setup-hint {
+    width: 760px;
+    margin-top: -12px;
+    margin-bottom: 12px;
+}
+
 .collection-list {
     width: 300px;
     margin-right: 16px;
@@ -552,6 +577,82 @@ Button {
     margin-top: 14px;
 }
 
+.package-list {
+    margin-top: 18px;
+    min-width: 0;
+}
+
+.package-header {
+    color: var(--kp-muted);
+    margin-bottom: 6px;
+}
+
+.package-notice {
+    color: var(--kp-amber);
+    margin-bottom: 8px;
+    white-space: normal;
+}
+
+.package-empty {
+    color: var(--kp-muted);
+    margin-top: 6px;
+}
+
+.package-row {
+    min-width: 0;
+    padding: 7px 10px;
+    margin-top: 4px;
+    border-left-width: 2px;
+    border-left-color: transparent;
+}
+
+.package-row.selected,
+.package-row.equipped {
+    border-left-color: var(--kp-primary);
+}
+
+.package-row.selected {
+    background-color: var(--kp-hover);
+}
+
+.package-row.dimmed {
+    opacity: 0.45;
+}
+
+.package-summary {
+    min-width: 0;
+    flex-direction: row;
+}
+
+.package-marker {
+    width: 34px;
+    min-width: 34px;
+}
+
+.package-name {
+    flex-grow: 1;
+    min-width: 0;
+    color: var(--kp-primary);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    -unity-text-overflow-position: end;
+}
+
+.package-meta {
+    min-width: 96px;
+    color: var(--kp-muted);
+    -unity-text-align: upper-right;
+}
+
+.package-description {
+    min-width: 0;
+    color: var(--kp-muted);
+    white-space: normal;
+    margin-left: 34px;
+    margin-top: 2px;
+}
+
 .modal-overlay {
     position: absolute;
     left: 0;
diff --git a/Assets/UI/MainMenu.uxml b/Assets/UI/MainMenu.uxml
index 29e8364..a6e6f62 100644
--- a/Assets/UI/MainMenu.uxml
+++ b/Assets/UI/MainMenu.uxml
@@ -124,6 +124,15 @@
             </ui:VisualElement>
 
             <ui:Instance template="CollectionScreen" />
+            <ui:VisualElement name="RunSetupPanel" class="sub-panel hidden">
+                <ui:Label text="NEW RUN" class="screen-title" />
+                <ui:Label text="choose 4 distro cards before booting a run" class="collection-detail-muted run-setup-hint" />
+                <ui:VisualElement name="RunSetupContent" class="collection-shell">
+                    <ui:ScrollView name="RunSetupList" class="collection-list" />
+                    <ui:VisualElement name="RunSetupDetail" class="collection-detail" />
+                </ui:VisualElement>
+                <ui:Button name="RunSetupBackButton" text="Back" class="terminal-button back-button" />
+            </ui:VisualElement>
             <ui:Instance template="GachaScreen" />
             <ui:Instance template="SettingsScreen" />