diff --git a/Mage.Sets/src/mage/cards/s/SadisticObsession.java b/Mage.Sets/src/mage/cards/s/SadisticObsession.java
new file mode 100644
index 00000000000..eef112e5045
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SadisticObsession.java
@@ -0,0 +1,57 @@
+package mage.cards.s;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.AttachEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.abilities.effects.common.counter.AddCountersTargetEffect;
+import mage.abilities.keyword.EnchantAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SadisticObsession extends CardImpl {
+
+    public SadisticObsession(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{B}");
+
+        this.subtype.add(SubType.AURA);
+
+        // Enchant creature
+        TargetPermanent auraTarget = new TargetCreaturePermanent();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
+        Ability ability = new EnchantAbility(auraTarget.getTargetName());
+        this.addAbility(ability);
+
+        // Enchanted creature has "{B}, {T}: Put a -1/-1 counter on target creature."
+        ability = new SimpleActivatedAbility(new AddCountersTargetEffect(
+                CounterType.M1M1.createInstance()), new ManaCostsImpl("{B}")
+        );
+        ability.addCost(new TapSourceCost());
+        ability.addTarget(new TargetCreaturePermanent());
+        this.addAbility(new SimpleStaticAbility(new GainAbilityAttachedEffect(
+                ability, AttachmentType.AURA, Duration.WhileOnBattlefield
+        )));
+    }
+
+    private SadisticObsession(final SadisticObsession card) {
+        super(card);
+    }
+
+    @Override
+    public SadisticObsession copy() {
+        return new SadisticObsession(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/ModernHorizons.java b/Mage.Sets/src/mage/sets/ModernHorizons.java
index 4b8dc80c8fe..7473296abf3 100644
--- a/Mage.Sets/src/mage/sets/ModernHorizons.java
+++ b/Mage.Sets/src/mage/sets/ModernHorizons.java
@@ -167,6 +167,7 @@ public final class ModernHorizons extends ExpansionSet {
         cards.add(new SetCardInfo("Rhox Veteran", 24, Rarity.COMMON, mage.cards.r.RhoxVeteran.class));
         cards.add(new SetCardInfo("Rotwidow Pack", 212, Rarity.UNCOMMON, mage.cards.r.RotwidowPack.class));
         cards.add(new SetCardInfo("Ruination Rioter", 213, Rarity.UNCOMMON, mage.cards.r.RuinationRioter.class));
+        cards.add(new SetCardInfo("Sadistic Obsession", 105, Rarity.UNCOMMON, mage.cards.s.SadisticObsession.class));
         cards.add(new SetCardInfo("Savage Swipe", 178, Rarity.COMMON, mage.cards.s.SavageSwipe.class));
         cards.add(new SetCardInfo("Scale Up", 179, Rarity.UNCOMMON, mage.cards.s.ScaleUp.class));
         cards.add(new SetCardInfo("Scour All Possibilities", 67, Rarity.COMMON, mage.cards.s.ScourAllPossibilities.class));