diff --git a/forge-core/src/main/java/forge/card/BoosterGenerator.java b/forge-core/src/main/java/forge/card/BoosterGenerator.java
index 95807bf7519..404b0c37b7e 100644
--- a/forge-core/src/main/java/forge/card/BoosterGenerator.java
+++ b/forge-core/src/main/java/forge/card/BoosterGenerator.java
@@ -61,7 +61,7 @@ public class BoosterGenerator {
         List<PrintSheet> sheetsUsed = new ArrayList<PrintSheet>();
 
         CardEdition edition = StaticData.instance().getEditions().get(template.getEdition());
-        boolean hasFoil = edition != null && MyRandom.getRandom().nextInt(10000) <= edition.getFoilChanceInBooster() && edition.getFoilType() != FoilType.NOT_SUPPORTED; 
+        boolean hasFoil = edition != null && MyRandom.getRandom().nextInt(10000) <= edition.getFoilChanceInBooster() && edition.getFoilType() != FoilType.NOT_SUPPORTED; // FoilChanceInBooster is given with 1/10000th precision for a closer 21.43% approximation.
         boolean commonSlotFoil = !hasFoil ? false : edition.getFoilAlwaysInCommonSlot();
         String foilSlot = !hasFoil ? null : edition.getFoilAlwaysInCommonSlot() ? BoosterSlots.COMMON : Aggregates.random(template.getSlots()).getKey();
         
diff --git a/forge-core/src/main/java/forge/card/CardEdition.java b/forge-core/src/main/java/forge/card/CardEdition.java
index cc5f87c2d3a..194f6e7b71a 100644
--- a/forge-core/src/main/java/forge/card/CardEdition.java
+++ b/forge-core/src/main/java/forge/card/CardEdition.java
@@ -30,7 +30,6 @@ import forge.util.Aggregates;
 import forge.util.FileSection;
 import forge.util.FileUtil;
 import forge.util.IItemReader;
-import forge.util.TextUtil;
 import forge.util.storage.StorageBase;
 import forge.util.storage.StorageReaderBase;
 import forge.util.storage.StorageReaderFolder;
@@ -287,15 +286,7 @@ public final class CardEdition implements Comparable<CardEdition> { // immutable
                     res.foilType = FoilType.NOT_SUPPORTED;
                     break;
             }
-
-            // Internally foil chance in booster is represented with 1:10000 precision
-            // to represent ratios like 1:6 more accurately (16.67%).
-            String foilChanceInBoosterStr = section.get("FoilChanceInBooster", "1:6");
-            String[] foilChanceElems = TextUtil.split(foilChanceInBoosterStr, ':');
-            int numerator = Integer.parseInt(foilChanceElems[0]);
-            int denominator = Integer.parseInt(foilChanceElems[1]);
-            res.foilChanceInBooster = Math.round((float)numerator / denominator * 10000);
-            
+            res.foilChanceInBooster = section.getInt("FoilChanceInBooster", 2143); // uses 1:10000 precision, 21.43% is roughly every 70th card foiled
             res.foilAlwaysInCommonSlot = section.getBoolean("FoilAlwaysInCommonSlot", false);
             
             return res;
diff --git a/forge-gui/res/editions/Modern Masters.txt b/forge-gui/res/editions/Modern Masters.txt
index d24eaec9b9c..7d91638a5b6 100644
--- a/forge-gui/res/editions/Modern Masters.txt	
+++ b/forge-gui/res/editions/Modern Masters.txt	
@@ -5,7 +5,7 @@ Date=2013-06-07
 Type=Reprint
 BoosterCovers=3
 Booster=10 Common, 3 Uncommon, 1 RareMythic, 1 Any
-FoilChanceInBooster=1:1
+FoilChanceInBooster=10000
 
 [cards]
 R Adarkar Valkyrie