diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BlockStateListFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BlockStateListFlag.java
index 4cfd33258..117551488 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BlockStateListFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BlockStateListFlag.java
@@ -18,8 +18,8 @@ public class BlockStateListFlag extends ListFlag<Set<BlockType>> {
         super(Captions.FLAG_CATEGORY_BLOCK_LIST, name);
     }
 
-    @Override public String valueToString(Set<BlockType> value) {
-        return StringMan.join(value, ",");
+    @Override public String valueToString(Object value) {
+        return StringMan.join((Set<BlockType>) value, ",");
     }
 
     @Override public Set<BlockType> parseValue(final String value) {
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BooleanFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BooleanFlag.java
index 5556ad1fd..692c0b501 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BooleanFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/BooleanFlag.java
@@ -9,8 +9,8 @@ public class BooleanFlag extends Flag<Boolean> {
         super(Captions.FLAG_CATEGORY_BOOLEAN, name);
     }
 
-    @Override public String valueToString(Boolean value) {
-        return value.toString();
+    @Override public String valueToString(Object value) {
+        return value + "";
     }
 
     @Override public Boolean parseValue(String value) {
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/DoubleFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/DoubleFlag.java
index 1b24d4813..ab2c86c45 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/DoubleFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/DoubleFlag.java
@@ -8,7 +8,7 @@ public class DoubleFlag extends Flag<Double> {
         super(Captions.FLAG_CATEGORY_DECIMAL, name);
     }
 
-    @Override public String valueToString(Double value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/EnumFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/EnumFlag.java
index 2e1d65820..06936d4df 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/EnumFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/EnumFlag.java
@@ -15,8 +15,8 @@ public class EnumFlag extends Flag<String> {
         this.values = new HashSet<>(Arrays.asList(values));
     }
 
-    @Override public String valueToString(String value) {
-        return value;
+    @Override public String valueToString(Object value) {
+        return value.toString();
     }
 
     @Override public String parseValue(String value) {
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/Flag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/Flag.java
index 0d01b9e7e..21047d9cd 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/Flag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/Flag.java
@@ -44,7 +44,7 @@ public abstract class Flag<V> implements StringComparison.StringComparable {
         Flags.registerFlag(this);
     }
 
-    public abstract String valueToString(V value);
+    public abstract String valueToString(Object value);
 
     @Override public final String toString() {
         return "Flag { name='" + getName() + "'}";
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/GameModeFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/GameModeFlag.java
index 12901fb1c..023bf804a 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/GameModeFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/GameModeFlag.java
@@ -2,38 +2,37 @@ package com.github.intellectualsites.plotsquared.plot.flag;
 
 import com.github.intellectualsites.plotsquared.plot.config.Captions;
 import com.github.intellectualsites.plotsquared.plot.util.PlotGameMode;
-import com.sk89q.worldedit.world.gamemode.GameMode;
-import com.sk89q.worldedit.world.gamemode.GameModes;
 
-public class GameModeFlag extends Flag<GameMode> {
+public class GameModeFlag extends Flag<PlotGameMode> {
 
     public GameModeFlag(String name) {
         super(Captions.FLAG_CATEGORY_GAMEMODE, name);
     }
 
-    @Override public String valueToString(GameMode value) {
-        return value.getName();
+    @Override public String valueToString(Object value) {
+        return ((PlotGameMode) value).getName();
     }
 
-    @Override public GameMode parseValue(String value) {
+    @Override public PlotGameMode parseValue(String value) {
         switch (value.toLowerCase()) {
-            case "creative":
-            case "c":
-            case "1":
-                return GameModes.CREATIVE;
-            case "adventure":
-            case "a":
-            case "2":
-                return GameModes.ADVENTURE;
-            case "spectator":
-            case "sp":
-            case "3":
-                return GameModes.SPECTATOR;
             case "survival":
             case "s":
             case "0":
+                return PlotGameMode.SURVIVAL;
+            case "creative":
+            case "c":
+            case "1":
+                return PlotGameMode.CREATIVE;
+            case "adventure":
+            case "a":
+            case "2":
+                return PlotGameMode.ADVENTURE;
+            case "spectator":
+            case "sp":
+            case "3":
+                return PlotGameMode.SPECTATOR;
             default:
-                return GameModes.SURVIVAL;
+                return PlotGameMode.NOT_SET;
         }
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerFlag.java
index 93bf57610..8b527c46a 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerFlag.java
@@ -13,7 +13,7 @@ public class IntegerFlag extends Flag<Integer> {
         return Captions.FLAG_ERROR_INTEGER.getTranslated();
     }
 
-    @Override public String valueToString(Integer value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerListFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerListFlag.java
index bfd2aa730..e9162000b 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerListFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntegerListFlag.java
@@ -13,8 +13,8 @@ public class IntegerListFlag extends ListFlag<List<Integer>> {
         super(Captions.FLAG_CATEGORY_INTEGER_LIST, name);
     }
 
-    @Override public String valueToString(List<Integer> value) {
-        return StringMan.join(value, ",");
+    @Override public String valueToString(Object value) {
+        return StringMan.join((List<Integer>) value, ",");
     }
 
     @Override public List<Integer> parseValue(String value) {
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntervalFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntervalFlag.java
index 470b8ed56..7b6b64d47 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntervalFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/IntervalFlag.java
@@ -11,7 +11,7 @@ public class IntervalFlag extends Flag<IntervalFlag.Interval> {
         super(Captions.FLAG_CATEGORY_INTERVALS, name);
     }
 
-    @Override public String valueToString(IntervalFlag.Interval value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/ItemTypeListFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/ItemTypeListFlag.java
index fd37a65d5..2e9d80a38 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/ItemTypeListFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/ItemTypeListFlag.java
@@ -21,8 +21,8 @@ public class ItemTypeListFlag extends ListFlag<Set<ItemType>> {
         super(Captions.FLAG_CATEGORY_BLOCK_LIST, name);
     }
 
-    @Override public String valueToString(Set<ItemType> value) {
-        return StringMan.join(value, ",");
+    @Override public String valueToString(Object value) {
+        return StringMan.join((Set<BlockType>) value, ",");
     }
 
     @Override public Set<ItemType> parseValue(final String value) {
@@ -32,4 +32,8 @@ public class ItemTypeListFlag extends ListFlag<Set<ItemType>> {
     @Override public String getValueDescription() {
         return Captions.FLAG_ERROR_PLOTBLOCKLIST.getTranslated();
     }
+
+    public boolean contains(Plot plot, BlockState value) {
+        return contains(plot, value.getBlockType().getItemType());
+    }
 }
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/LongFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/LongFlag.java
index 538870642..1d8846701 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/LongFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/LongFlag.java
@@ -16,7 +16,7 @@ public class LongFlag extends Flag<Long> {
         }
     }
 
-    @Override public String valueToString(Long value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/PlotWeatherFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/PlotWeatherFlag.java
index 0d5eb7481..1893d5370 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/PlotWeatherFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/PlotWeatherFlag.java
@@ -9,7 +9,7 @@ public class PlotWeatherFlag extends Flag<PlotWeather> {
         super(Captions.FLAG_CATEGORY_WEATHER, name);
     }
 
-    @Override public String valueToString(PlotWeather value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringFlag.java
index ce2c739c8..21f1690a6 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringFlag.java
@@ -8,7 +8,7 @@ public class StringFlag extends Flag<String> {
         super(Captions.FLAG_CATEGORY_STRING, name);
     }
 
-    @Override public String valueToString(String value) {
+    @Override public String valueToString(Object value) {
         return value.toString();
     }
 
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringListFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringListFlag.java
index eae13943e..eb76ec8c1 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringListFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flag/StringListFlag.java
@@ -13,8 +13,8 @@ public class StringListFlag extends ListFlag<List<String>> {
         super(Captions.FLAG_CATEGORY_STRING_LIST, name);
     }
 
-    @Override public String valueToString(List<String> value) {
-        return StringMan.join(value, ",");
+    @Override public String valueToString(Object value) {
+        return StringMan.join((List<String>) value, ",");
     }
 
     @Override public List<String> parseValue(String value) {
diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/util/EventUtil.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/util/EventUtil.java
index a51742e24..7af028759 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/util/EventUtil.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/util/EventUtil.java
@@ -14,6 +14,9 @@ import com.github.intellectualsites.plotsquared.plot.object.PlotPlayer;
 import com.github.intellectualsites.plotsquared.plot.object.Rating;
 import com.github.intellectualsites.plotsquared.plot.object.worlds.SinglePlotArea;
 import com.github.intellectualsites.plotsquared.plot.util.expiry.ExpireManager;
+import com.sk89q.worldedit.world.block.BlockState;
+import com.sk89q.worldedit.world.block.BlockType;
+import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.item.ItemType;
 import com.sk89q.worldedit.world.item.ItemTypes;
 import org.jetbrains.annotations.Nullable;