diff --git a/forge-gui/src/main/java/forge/limited/BoosterDraft.java b/forge-gui/src/main/java/forge/limited/BoosterDraft.java
index 5e1923f91a2..4f8211907c7 100644
--- a/forge-gui/src/main/java/forge/limited/BoosterDraft.java
+++ b/forge-gui/src/main/java/forge/limited/BoosterDraft.java
@@ -73,6 +73,7 @@ public class BoosterDraft implements IBoosterDraft {
                 this.product.add(s);
             }
             IBoosterDraft.LAND_SET_CODE[0] = CardEdition.Predicates.getRandomSetWithAllBasicLands(FModel.getMagicDb().getEditions());
+            IBoosterDraft.CUSTOM_RANKINGS_FILE[0] = null;
             break;
 
         case Block: // Draft from cards by block or set
@@ -128,6 +129,7 @@ public class BoosterDraft implements IBoosterDraft {
             }
 
             IBoosterDraft.LAND_SET_CODE[0] = block.getLandSet();
+            IBoosterDraft.CUSTOM_RANKINGS_FILE[0] = null;
             break;
 
         case Custom:
@@ -160,6 +162,7 @@ public class BoosterDraft implements IBoosterDraft {
         }
 
         IBoosterDraft.LAND_SET_CODE[0] = block.getLandSet();
+        IBoosterDraft.CUSTOM_RANKINGS_FILE[0] = null;
 
         draft.pack = draft.get8BoosterPack();
         return draft;
@@ -196,6 +199,7 @@ public class BoosterDraft implements IBoosterDraft {
         }
 
         IBoosterDraft.LAND_SET_CODE[0] = FModel.getMagicDb().getEditions().get(draft.getLandSetCode());
+        IBoosterDraft.CUSTOM_RANKINGS_FILE[0] = draft.getCustomRankingsFileName();
     }
 
     /** Looks for draft files, reads them, returns a list. */
diff --git a/forge-gui/src/main/java/forge/limited/BoosterDraftAI.java b/forge-gui/src/main/java/forge/limited/BoosterDraftAI.java
index d3309bff9f4..27a4cb9d235 100644
--- a/forge-gui/src/main/java/forge/limited/BoosterDraftAI.java
+++ b/forge-gui/src/main/java/forge/limited/BoosterDraftAI.java
@@ -78,7 +78,7 @@ public class BoosterDraftAI {
         final ColorSet currentChoice = deckCols.getChosenColors();
         final boolean canAddMoreColors = deckCols.canChoseMoreColors();
 
-        final List<Pair<PaperCard, Double>> rankedCards = rankCards(chooseFrom);
+        final List<Pair<PaperCard, Double>> rankedCards = rankCards(chooseFrom, bd.CUSTOM_RANKINGS_FILE[0]);
 
         for (final Pair<PaperCard, Double> p : rankedCards) {
             double valueBoost = 0;
@@ -135,14 +135,23 @@ public class BoosterDraftAI {
      *            List of cards
      * @return map of rankings
      */
-    private static List<Pair<PaperCard, Double>> rankCards(final Iterable<PaperCard> chooseFrom) {
+    private static List<Pair<PaperCard, Double>> rankCards(final Iterable<PaperCard> chooseFrom, String customRankings) {
         final List<Pair<PaperCard, Double>> rankedCards = new ArrayList<Pair<PaperCard,Double>>();
         for (final PaperCard card : chooseFrom) {
             Double rank;
             if (MagicColor.Constant.BASIC_LANDS.contains(card.getName())) {
                 rank = RANK_UNPICKABLE;
             } else {
-                rank = DraftRankCache.getRanking(card.getName(), card.getEdition());
+                if (customRankings != null) {
+                    rank = DraftRankCache.getCustomRanking(customRankings, card.getName());
+                    if (rank == null) {
+                        // try the default draft rankings if there's no entry in the custom rankings file
+                        rank = DraftRankCache.getRanking(card.getName(), card.getEdition());
+                    }
+                } else {
+                    rank = DraftRankCache.getRanking(card.getName(), card.getEdition());
+                }
+
                 if (rank == null) {
                     System.out.println("Draft Rankings - Card Not Found: " + card.getName());
                     rank = RANK_UNPICKABLE;
diff --git a/forge-gui/src/main/java/forge/limited/CustomLimited.java b/forge-gui/src/main/java/forge/limited/CustomLimited.java
index 50cab1921eb..68a6c326c99 100644
--- a/forge-gui/src/main/java/forge/limited/CustomLimited.java
+++ b/forge-gui/src/main/java/forge/limited/CustomLimited.java
@@ -69,6 +69,9 @@ public class CustomLimited extends DeckBase {
 
     private boolean singleton; 
 
+    /** Name of the file containing custom card rankings. */
+    private String customRankingsFile = "";
+
 
     /*
      * (non-Javadoc)
@@ -110,6 +113,7 @@ public class CustomLimited extends DeckBase {
         cd.landSetCode = data.get("LandSetCode");
         cd.numPacks = data.getInt("NumPacks");
         cd.singleton = data.getBoolean("Singleton");
+        cd.customRankingsFile = data.get("CustomRankings");
         final Deck deckCube = cubes.get(data.get("DeckFile"));
         cd.cardPool = deckCube == null ? ItemPool.createFrom(FModel.getMagicDb().getCommonCards().getUniqueCards(), PaperCard.class) : deckCube.getMain();
 
@@ -175,6 +179,10 @@ public class CustomLimited extends DeckBase {
         return singleton;
     }
 
+    public String getCustomRankingsFileName() {
+        return customRankingsFile;
+    }
+
     @Override
     public boolean isEmpty() {
         return cardPool.isEmpty();
diff --git a/forge-gui/src/main/java/forge/limited/DraftRankCache.java b/forge-gui/src/main/java/forge/limited/DraftRankCache.java
index 0667ded617a..e08bfea4640 100644
--- a/forge-gui/src/main/java/forge/limited/DraftRankCache.java
+++ b/forge-gui/src/main/java/forge/limited/DraftRankCache.java
@@ -7,9 +7,11 @@ package forge.limited;
  */
 public class DraftRankCache {
     private static ReadDraftRankings rankings = null;
+    private static ReadDraftRankings customRankings = null;
+    private static String customRankingsFileName = "";
     
     private DraftRankCache(){
-        
+        customRankingsFileName = "";
     }
 
     public static Double getRanking(String name, String edition){
@@ -19,4 +21,11 @@ public class DraftRankCache {
         return rankings.getRanking(name, edition);
     }
    
+    public static Double getCustomRanking(String customRankingsSource, String name) {
+        if (customRankings == null || !customRankingsFileName.equals(customRankingsSource)) {
+            customRankingsFileName = customRankingsSource;
+            customRankings = new ReadDraftRankings(customRankingsFileName);
+        }
+        return customRankings.getRanking(name, "CUSTOM");
+    }
 }
diff --git a/forge-gui/src/main/java/forge/limited/IBoosterDraft.java b/forge-gui/src/main/java/forge/limited/IBoosterDraft.java
index ad01e15f73d..6b252fdf3e0 100644
--- a/forge-gui/src/main/java/forge/limited/IBoosterDraft.java
+++ b/forge-gui/src/main/java/forge/limited/IBoosterDraft.java
@@ -71,6 +71,8 @@ public interface IBoosterDraft {
     /** Constant <code>LandSetCode="{}"</code>. */
     CardEdition[] LAND_SET_CODE = { null };
 
+    String[] CUSTOM_RANKINGS_FILE = { null };
+
     boolean isPileDraft();
 
 }
diff --git a/forge-gui/src/main/java/forge/limited/LimitedDeckBuilder.java b/forge-gui/src/main/java/forge/limited/LimitedDeckBuilder.java
index add9897b2eb..5ecaf515d12 100644
--- a/forge-gui/src/main/java/forge/limited/LimitedDeckBuilder.java
+++ b/forge-gui/src/main/java/forge/limited/LimitedDeckBuilder.java
@@ -727,7 +727,19 @@ public class LimitedDeckBuilder extends DeckGeneratorBase {
     protected List<Pair<Double, PaperCard>> rankCards(final Iterable<PaperCard> cards) {
         final List<Pair<Double, PaperCard>> ranked = new ArrayList<Pair<Double, PaperCard>>();
         for (final PaperCard card : cards) {
-            final Double rkg = DraftRankCache.getRanking(card.getName(), card.getEdition());
+            Double rkg;
+            String customRankings = IBoosterDraft.CUSTOM_RANKINGS_FILE[0];
+
+            if (customRankings != null) {
+                rkg = DraftRankCache.getCustomRanking(customRankings, card.getName());
+                if (rkg == null) {
+                    // try the default rankings if custom rankings contain no entry
+                    rkg = DraftRankCache.getRanking(card.getName(), card.getEdition());
+                }
+            } else {
+                rkg = DraftRankCache.getRanking(card.getName(), card.getEdition());
+            }
+
             if (rkg != null) {
                 ranked.add(Pair.of(rkg, card));
             } else {
diff --git a/forge-gui/src/main/java/forge/limited/ReadDraftRankings.java b/forge-gui/src/main/java/forge/limited/ReadDraftRankings.java
index b53dcd47370..1501a0914bd 100644
--- a/forge-gui/src/main/java/forge/limited/ReadDraftRankings.java
+++ b/forge-gui/src/main/java/forge/limited/ReadDraftRankings.java
@@ -30,6 +30,11 @@ public class ReadDraftRankings {
         this.draftRankings = this.readFile(FileUtil.readFile(ForgeConstants.DRAFT_RANKINGS_FILE));
     } // setup()
 
+    public ReadDraftRankings(String customFile) {
+        this.setSizes = new HashMap<String, Integer>();
+        this.draftRankings = this.readFile(FileUtil.readFile(ForgeConstants.DRAFT_DIR + customFile));
+    }
+
     /**
      * <p>
      * readFile.
@@ -100,4 +105,8 @@ public class ReadDraftRankings {
         }
         return rank;
     }
+
+    public Double getCustomRanking(String cardName) {
+        return getRanking(cardName, "CUSTOM");
+    }
 }