diff --git a/Mage.Sets/src/mage/cards/w/WandertaleMentor.java b/Mage.Sets/src/mage/cards/w/WandertaleMentor.java
new file mode 100644
index 00000000000..a990a8a4f33
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/w/WandertaleMentor.java
@@ -0,0 +1,47 @@
+package mage.cards.w;
+
+import mage.MageInt;
+import mage.abilities.common.ExpendTriggeredAbility;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.mana.GreenManaAbility;
+import mage.abilities.mana.RedManaAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.counters.CounterType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class WandertaleMentor extends CardImpl {
+
+    public WandertaleMentor(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{R}{G}");
+
+        this.subtype.add(SubType.RACCOON);
+        this.subtype.add(SubType.BARD);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Whenever you expend 4, put a +1/+1 counter on Wandertale Mentor.
+        this.addAbility(new ExpendTriggeredAbility(
+                new AddCountersSourceEffect(CounterType.P1P1.createInstance()), 4
+        ));
+
+        // {T}: Add {R} or {G}.
+        this.addAbility(new RedManaAbility());
+        this.addAbility(new GreenManaAbility());
+    }
+
+    private WandertaleMentor(final WandertaleMentor card) {
+        super(card);
+    }
+
+    @Override
+    public WandertaleMentor copy() {
+        return new WandertaleMentor(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Bloomburrow.java b/Mage.Sets/src/mage/sets/Bloomburrow.java
index 5d1f4e36ada..4688efd1aa3 100644
--- a/Mage.Sets/src/mage/sets/Bloomburrow.java
+++ b/Mage.Sets/src/mage/sets/Bloomburrow.java
@@ -12,7 +12,7 @@ import java.util.List;
  */
 public final class Bloomburrow extends ExpansionSet {
 
-    private static final List<String> unfinished = Arrays.asList("Flowerfoot Swordmaster", "Iridescent Vinelasher", "Manifold Mouse", "Tender Wildguide", "Thundertrap Trainer", "Warren Warleader");
+    private static final List<String> unfinished = Arrays.asList("Brambleguard Veteran", "Flowerfoot Swordmaster", "Iridescent Vinelasher", "Junkblade Bruiser", "Manifold Mouse", "Muerra, Trash Tactician", "Tender Wildguide", "Thundertrap Trainer", "Wandertale Mentor", "Warren Warleader");
     private static final Bloomburrow instance = new Bloomburrow();
 
     public static Bloomburrow getInstance() {
@@ -78,6 +78,7 @@ public final class Bloomburrow extends ExpansionSet {
         cards.add(new SetCardInfo("Thundertrap Trainer", 78, Rarity.RARE, mage.cards.t.ThundertrapTrainer.class));
         cards.add(new SetCardInfo("Valley Rotcaller", 119, Rarity.RARE, mage.cards.v.ValleyRotcaller.class));
         cards.add(new SetCardInfo("Veteran Guardmouse", 237, Rarity.COMMON, mage.cards.v.VeteranGuardmouse.class));
+        cards.add(new SetCardInfo("Wandertale Mentor", 240, Rarity.UNCOMMON, mage.cards.w.WandertaleMentor.class));
         cards.add(new SetCardInfo("Warren Warleader", 38, Rarity.MYTHIC, mage.cards.w.WarrenWarleader.class));
 
         cards.removeIf(setCardInfo -> unfinished.contains(setCardInfo.getName())); // remove when mechanic is implemented
diff --git a/Mage/src/main/java/mage/abilities/common/ExpendTriggeredAbility.java b/Mage/src/main/java/mage/abilities/common/ExpendTriggeredAbility.java
new file mode 100644
index 00000000000..53b0ef6367e
--- /dev/null
+++ b/Mage/src/main/java/mage/abilities/common/ExpendTriggeredAbility.java
@@ -0,0 +1,50 @@
+package mage.abilities.common;
+
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+/**
+ * @author TheElk801
+ * TODO: Implement this
+ */
+public class ExpendTriggeredAbility extends TriggeredAbilityImpl {
+
+    private final int amount;
+
+    public ExpendTriggeredAbility(Effect effect, int amount) {
+        this(effect, amount, false);
+    }
+
+    public ExpendTriggeredAbility(Effect effect, int amount, boolean optional) {
+        this(Zone.BATTLEFIELD, effect, amount, optional);
+    }
+
+    public ExpendTriggeredAbility(Zone zone, Effect effect, int amount, boolean optional) {
+        super(zone, effect, optional);
+        this.amount = amount;
+        setTriggerPhrase("Whenever you expend " + amount + ", ");
+    }
+
+    private ExpendTriggeredAbility(final ExpendTriggeredAbility ability) {
+        super(ability);
+        this.amount = ability.amount;
+    }
+
+    @Override
+    public ExpendTriggeredAbility copy() {
+        return new ExpendTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return false;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return false;
+    }
+}