diff --git a/Mage.Sets/src/mage/cards/a/AlquistProftMasterSleuth.java b/Mage.Sets/src/mage/cards/a/AlquistProftMasterSleuth.java
new file mode 100644
index 00000000000..1962a83924d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/a/AlquistProftMasterSleuth.java
@@ -0,0 +1,64 @@
+package mage.cards.a;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.common.ManacostVariableValue;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.keyword.InvestigateEffect;
+import mage.abilities.keyword.VigilanceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.common.FilterControlledPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class AlquistProftMasterSleuth extends CardImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent(SubType.CLUE, "a Clue");
+
+    public AlquistProftMasterSleuth(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{W}{U}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.DETECTIVE);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Vigilance
+        this.addAbility(VigilanceAbility.getInstance());
+
+        // When Alquist Proft, Master Sleuth enters the battlefield, investigate.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new InvestigateEffect()));
+
+        // {X}{W}{U}{U}, {T}, Sacrifice a Clue: You draw X cards and gain X life.
+        Ability ability = new SimpleActivatedAbility(
+                new DrawCardSourceControllerEffect(ManacostVariableValue.REGULAR, "you"), new ManaCostsImpl<>("{X}{W}{U}{U}")
+        );
+        ability.addCost(new TapSourceCost());
+        ability.addCost(new SacrificeTargetCost(filter));
+        ability.addEffect(new GainLifeEffect(ManacostVariableValue.REGULAR).setText("and gain X life"));
+        this.addAbility(ability);
+    }
+
+    private AlquistProftMasterSleuth(final AlquistProftMasterSleuth card) {
+        super(card);
+    }
+
+    @Override
+    public AlquistProftMasterSleuth copy() {
+        return new AlquistProftMasterSleuth(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
index e4fba98da4f..765c30ebadf 100644
--- a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
+++ b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
@@ -21,6 +21,7 @@ public final class MurdersAtKarlovManor extends ExpansionSet {
         this.hasBasicLands = true;
         this.hasBoosters = false; // temporary
 
+        cards.add(new SetCardInfo("Alquist Proft, Master Sleuth", 185, Rarity.MYTHIC, mage.cards.a.AlquistProftMasterSleuth.class));
         cards.add(new SetCardInfo("Benthic Criminologists", 40, Rarity.COMMON, mage.cards.b.BenthicCriminologists.class));
         cards.add(new SetCardInfo("Curious Cadaver", 194, Rarity.UNCOMMON, mage.cards.c.CuriousCadaver.class));
         cards.add(new SetCardInfo("Deduce", 52, Rarity.COMMON, mage.cards.d.Deduce.class));