diff --git a/src/main/java/io/github/simplex/luck/listener/HideCheck.java b/src/main/java/io/github/simplex/luck/listener/HideCheck.java
new file mode 100644
index 0000000..ec5de2c
--- /dev/null
+++ b/src/main/java/io/github/simplex/luck/listener/HideCheck.java
@@ -0,0 +1,59 @@
+package io.github.simplex.luck.listener;
+
+import io.github.simplex.lib.MiniComponent;
+import io.github.simplex.luck.FeelingLucky;
+import io.github.simplex.luck.player.Luck;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityTargetLivingEntityEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.player.PlayerToggleSneakEvent;
+
+import java.util.*;
+
+public class HideCheck extends AbstractListener {
+    public Map<Player, List<Entity>> entityMapList = new HashMap<>();
+
+    public HideCheck(FeelingLucky plugin) {
+        super(plugin);
+    }
+
+    @EventHandler
+    public void initPlayerMaps(PlayerJoinEvent event) {
+        entityMapList.put(event.getPlayer(), List.of());
+    }
+
+    @EventHandler
+    public void checkTargeting(EntityTargetLivingEntityEvent event) {
+        if (event.getTarget() instanceof Player player) {
+            if (event.getEntity() instanceof LivingEntity entity) {
+                List<Entity> buffer = entityMapList.get(player).isEmpty() ?
+                        new ArrayList<>() : entityMapList.get(player);
+                buffer.add(entity);
+                entityMapList.replace(player, buffer);
+            }
+        }
+    }
+
+    @EventHandler
+    public void checkForSneak(PlayerToggleSneakEvent event) {
+        Player player = event.getPlayer();
+        if (!player.isSneaking()) return;
+
+        Luck luck = plugin.getHandler().getLuckContainer(player);
+        if (luck.quickRNG(luck.getValue()) && !luck.isMarked(player)) {
+            entityMapList.get(player).forEach(e -> {
+                e.getTrackedPlayers().remove(player);
+            });
+            player.sendMessage(MiniComponent.info("Your luck has hidden you from sight."));
+        }
+    }
+
+    @EventHandler
+    public void removePlayerOnLeave(PlayerQuitEvent event) {
+        entityMapList.remove(event.getPlayer());
+    }
+}
diff --git a/src/main/java/io/github/simplex/luck/listener/JumpBoost.java b/src/main/java/io/github/simplex/luck/listener/JumpBoost.java
new file mode 100644
index 0000000..c9fdd79
--- /dev/null
+++ b/src/main/java/io/github/simplex/luck/listener/JumpBoost.java
@@ -0,0 +1,26 @@
+package io.github.simplex.luck.listener;
+
+import com.destroystokyo.paper.event.player.PlayerJumpEvent;
+import io.github.simplex.lib.MiniComponent;
+import io.github.simplex.luck.FeelingLucky;
+import io.github.simplex.luck.player.Luck;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.util.Vector;
+
+public class JumpBoost extends AbstractListener {
+    public JumpBoost(FeelingLucky plugin) {
+        super(plugin);
+    }
+
+    @EventHandler
+    public void detectJumping(PlayerJumpEvent event) {
+        Player player = event.getPlayer(); // Player is never null; they're in game and jumping.
+        Luck luck = plugin.getHandler().getLuckContainer(player);
+
+        if (luck.quickRNG(luck.getValue()) && !luck.isMarked(player)) {
+            player.setVelocity(new Vector(0, 2, 0));
+            player.sendMessage(MiniComponent.info("Your luck has boosted your jump height!"));
+        }
+    }
+}
diff --git a/src/main/java/io/github/simplex/luck/listener/OreVein.java b/src/main/java/io/github/simplex/luck/listener/OreVein.java
index d6f6fbd..e361c3d 100644
--- a/src/main/java/io/github/simplex/luck/listener/OreVein.java
+++ b/src/main/java/io/github/simplex/luck/listener/OreVein.java
@@ -46,6 +46,6 @@ public class OreVein extends AbstractListener {
                 }
             }
         }
-        return streamBuilder.build();
+        return streamBuilder.build().filter(b -> b.getType().equals(block.getType()));
     }
 }