diff --git a/Mage.Sets/src/mage/cards/m/MesmerizingDose.java b/Mage.Sets/src/mage/cards/m/MesmerizingDose.java
new file mode 100644
index 00000000000..ad3920fbf0b
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MesmerizingDose.java
@@ -0,0 +1,54 @@
+package mage.cards.m;
+
+import java.util.UUID;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.DontUntapInControllersUntapStepEnchantedEffect;
+import mage.abilities.effects.common.TapEnchantedEffect;
+import mage.abilities.effects.common.counter.ProliferateEffect;
+import mage.constants.SubType;
+import mage.target.common.TargetCreaturePermanent;
+import mage.abilities.effects.common.AttachEffect;
+import mage.constants.Outcome;
+import mage.target.TargetPermanent;
+import mage.abilities.keyword.EnchantAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+
+/**
+ * @author TheElk801
+ */
+public final class MesmerizingDose extends CardImpl {
+
+    public MesmerizingDose(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{U}{U}");
+
+        this.subtype.add(SubType.AURA);
+
+        // Enchant creature
+        TargetPermanent auraTarget = new TargetCreaturePermanent();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
+        this.addAbility(new EnchantAbility(auraTarget));
+
+        // When Mesmerizing Dose enters the battlefield, tap enchanted creature, then proliferate.
+        Ability ability = new EntersBattlefieldTriggeredAbility(new TapEnchantedEffect());
+        ability.addEffect(new ProliferateEffect().concatBy(", then"));
+        this.addAbility(ability);
+
+        // Enchanted creature doesn't untap during its controller's untap step.
+        this.addAbility(new SimpleStaticAbility(new DontUntapInControllersUntapStepEnchantedEffect()));
+    }
+
+    private MesmerizingDose(final MesmerizingDose card) {
+        super(card);
+    }
+
+    @Override
+    public MesmerizingDose copy() {
+        return new MesmerizingDose(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java b/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
index 9b99f901398..986fc10a204 100644
--- a/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
+++ b/Mage.Sets/src/mage/sets/PhyrexiaAllWillBeOne.java
@@ -42,6 +42,7 @@ public final class PhyrexiaAllWillBeOne extends ExpansionSet {
         cards.add(new SetCardInfo("Kemba, Kha Enduring", 19, Rarity.RARE, mage.cards.k.KembaKhaEnduring.class));
         cards.add(new SetCardInfo("Koth, Fire of Resistance", 138, Rarity.RARE, mage.cards.k.KothFireOfResistance.class));
         cards.add(new SetCardInfo("Mercurial Spelldancer", 61, Rarity.RARE, mage.cards.m.MercurialSpelldancer.class));
+        cards.add(new SetCardInfo("Mesmerizing Dose", 62, Rarity.COMMON, mage.cards.m.MesmerizingDose.class));
         cards.add(new SetCardInfo("Migloz, Maze Crusher", 210, Rarity.RARE, mage.cards.m.MiglozMazeCrusher.class));
         cards.add(new SetCardInfo("Mindsplice Apparatus", 63, Rarity.RARE, mage.cards.m.MindspliceApparatus.class));
         cards.add(new SetCardInfo("Minor Misstep", 64, Rarity.UNCOMMON, mage.cards.m.MinorMisstep.class));