diff --git a/Mage.Sets/src/mage/cards/g/GreatUncleanOne.java b/Mage.Sets/src/mage/cards/g/GreatUncleanOne.java
new file mode 100644
index 0000000000..c4adf62a34
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GreatUncleanOne.java
@@ -0,0 +1,89 @@
+package mage.cards.g;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.LoseLifeOpponentsEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.TargetController;
+import mage.game.Game;
+import mage.game.permanent.token.PlaguebearerOfNurgleToken;
+import mage.players.Player;
+
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GreatUncleanOne extends CardImpl {
+
+    public GreatUncleanOne(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{B}");
+
+        this.subtype.add(SubType.DEMON);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(5);
+
+        // Reverberating Summons -- At the beginning of your end step, each opponent loses 2 life. Then for each opponent who has less life than you, create a 1/3 black Demon creature token named Plaguebearer of Nurgle.
+        Ability ability = new BeginningOfEndStepTriggeredAbility(
+                new LoseLifeOpponentsEffect(2), TargetController.YOU, false
+        );
+        ability.addEffect(new CreateTokenEffect(
+                new PlaguebearerOfNurgleToken(), GreatUncleanOneValue.instance
+        ).setText("then for each opponent who has less life than you, " +
+                "create a 1/3 black Demon creature token named Plaguebearer of Nurgle"));
+        this.addAbility(ability.withFlavorWord("Reverberating Summons"));
+    }
+
+    private GreatUncleanOne(final GreatUncleanOne card) {
+        super(card);
+    }
+
+    @Override
+    public GreatUncleanOne copy() {
+        return new GreatUncleanOne(this);
+    }
+}
+
+enum GreatUncleanOneValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Player player = game.getPlayer(sourceAbility.getControllerId());
+        if (player == null) {
+            return 0;
+        }
+        int life = player.getLife();
+        return game
+                .getOpponents(player.getId())
+                .stream()
+                .map(game::getPlayer)
+                .filter(Objects::nonNull)
+                .mapToInt(Player::getLife)
+                .map(l -> l < life ? 1 : 0)
+                .sum();
+    }
+
+    @Override
+    public GreatUncleanOneValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "";
+    }
+
+    @Override
+    public String toString() {
+        return "1";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Warhammer40000.java b/Mage.Sets/src/mage/sets/Warhammer40000.java
index 1419759d60..573cb1af68 100644
--- a/Mage.Sets/src/mage/sets/Warhammer40000.java
+++ b/Mage.Sets/src/mage/sets/Warhammer40000.java
@@ -65,6 +65,7 @@ public final class Warhammer40000 extends ExpansionSet {
         cards.add(new SetCardInfo("Game Trail", 282, Rarity.RARE, mage.cards.g.GameTrail.class));
         cards.add(new SetCardInfo("Gargoyle Flock", 123, Rarity.RARE, mage.cards.g.GargoyleFlock.class));
         cards.add(new SetCardInfo("Goliath Truck", 158, Rarity.UNCOMMON, mage.cards.g.GoliathTruck.class));
+        cards.add(new SetCardInfo("Great Unclean One", 35, Rarity.RARE, mage.cards.g.GreatUncleanOne.class));
         cards.add(new SetCardInfo("Hardened Scales", 215, Rarity.RARE, mage.cards.h.HardenedScales.class));
         cards.add(new SetCardInfo("Harrow", 216, Rarity.COMMON, mage.cards.h.Harrow.class));
         cards.add(new SetCardInfo("Herald of Slaanesh", 77, Rarity.UNCOMMON, mage.cards.h.HeraldOfSlaanesh.class));
diff --git a/Mage/src/main/java/mage/game/permanent/token/PlaguebearerOfNurgleToken.java b/Mage/src/main/java/mage/game/permanent/token/PlaguebearerOfNurgleToken.java
new file mode 100644
index 0000000000..ad241d899c
--- /dev/null
+++ b/Mage/src/main/java/mage/game/permanent/token/PlaguebearerOfNurgleToken.java
@@ -0,0 +1,32 @@
+package mage.game.permanent.token;
+
+import mage.MageInt;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.Arrays;
+
+/**
+ * @author TheElk801
+ */
+public final class PlaguebearerOfNurgleToken extends TokenImpl {
+
+    public PlaguebearerOfNurgleToken() {
+        super("Plaguebearer of Nurgle", "1/3 black Demon creature token named Plaguebearer of Nurgle");
+        cardType.add(CardType.CREATURE);
+        color.setBlack(true);
+        subtype.add(SubType.DEMON);
+        power = new MageInt(1);
+        toughness = new MageInt(3);
+
+        availableImageSetCodes = Arrays.asList("40K");
+    }
+
+    public PlaguebearerOfNurgleToken(final PlaguebearerOfNurgleToken token) {
+        super(token);
+    }
+
+    public PlaguebearerOfNurgleToken copy() {
+        return new PlaguebearerOfNurgleToken(this);
+    }
+}