diff --git a/forge-core/src/main/java/forge/item/BoosterSlot.java b/forge-core/src/main/java/forge/item/BoosterSlot.java
index eb4c5388ec2..df89d961a28 100644
--- a/forge-core/src/main/java/forge/item/BoosterSlot.java
+++ b/forge-core/src/main/java/forge/item/BoosterSlot.java
@@ -45,7 +45,7 @@ public class BoosterSlot {
     }
 
     public String replaceSlot() {
-        double rand = Math.random() * 100;
+        float rand = (float) Math.random();
         for (Float key : slotPercentages.keySet()) {
             if (rand < key) {
                 System.out.println("Replaced a base slot! " + slotName + " -> " + slotPercentages.get(key));
diff --git a/forge-core/src/main/java/forge/item/generation/BoosterGenerator.java b/forge-core/src/main/java/forge/item/generation/BoosterGenerator.java
index 2aa083abd37..812dd7ff779 100644
--- a/forge-core/src/main/java/forge/item/generation/BoosterGenerator.java
+++ b/forge-core/src/main/java/forge/item/generation/BoosterGenerator.java
@@ -415,6 +415,11 @@ public class BoosterGenerator {
             BoosterSlot boosterSlot = boosterSlots.get(slotType);
             String determineSheet = boosterSlot.replaceSlot();
 
+            if (determineSheet.endsWith("+")) {
+                determineSheet = determineSheet.substring(0, determineSheet.length() - 1);
+                convertCardFoil = true;
+            }
+
             String setCode = template.getEdition();
 
             // Ok, so we have a sheet now. Most should be standard sheets, but some named edition sheets
diff --git a/forge-gui/res/editions/Bloomburrow.txt b/forge-gui/res/editions/Bloomburrow.txt
index 70f76075832..b789bddfe9a 100644
--- a/forge-gui/res/editions/Bloomburrow.txt
+++ b/forge-gui/res/editions/Bloomburrow.txt
@@ -33,7 +33,7 @@ Replace=.20F Land:fromSheet("BLB full art")+
 Base=Common:fromSheet("BLB cards")
 # I don't know about these numbers, so i'm just copying them from MH3
 Replace=.417F Uncommon:fromSheet("BLB cards")
-Replace=.078F MythicRare:fromSheet("BLB cards")
+Replace=.078F RareMythic:fromSheet("BLB cards")
 Replace=.004F fromSheet("BLB borderless")
 Replace=.042F fromSheet("BLB showcase")