diff --git a/Mage.Sets/src/mage/cards/t/TerisianMindbreaker.java b/Mage.Sets/src/mage/cards/t/TerisianMindbreaker.java
new file mode 100644
index 0000000000..c7538e6ec5
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/t/TerisianMindbreaker.java
@@ -0,0 +1,47 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.MillHalfLibraryTargetEffect;
+import mage.abilities.keyword.UnearthAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SetTargetPointer;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class TerisianMindbreaker extends CardImpl {
+
+    public TerisianMindbreaker(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{7}");
+
+        this.subtype.add(SubType.JUGGERNAUT);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(4);
+
+        // Whenever Terisian Mindbreaker attacks, defending player mills half their library, rounded up.
+        this.addAbility(new AttacksTriggeredAbility(
+                new MillHalfLibraryTargetEffect(true)
+                        .setText("defending player mills half their library, rounded up"),
+                false, null, SetTargetPointer.PLAYER
+        ));
+
+        // Unearth {1}{U}{U}{U}
+        this.addAbility(new UnearthAbility(new ManaCostsImpl<>("{1}{U}{U}{U}")));
+    }
+
+    private TerisianMindbreaker(final TerisianMindbreaker card) {
+        super(card);
+    }
+
+    @Override
+    public TerisianMindbreaker copy() {
+        return new TerisianMindbreaker(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/TheBrothersWar.java b/Mage.Sets/src/mage/sets/TheBrothersWar.java
index eaed28a386..2322a883b0 100644
--- a/Mage.Sets/src/mage/sets/TheBrothersWar.java
+++ b/Mage.Sets/src/mage/sets/TheBrothersWar.java
@@ -90,6 +90,7 @@ public final class TheBrothersWar extends ExpansionSet {
         cards.add(new SetCardInfo("Swamp", 282, Rarity.LAND, mage.cards.basiclands.Swamp.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Tawnos, the Toymaker", 222, Rarity.RARE, mage.cards.t.TawnosTheToymaker.class));
         cards.add(new SetCardInfo("Teferi, Temporal Pilgrim", 66, Rarity.MYTHIC, mage.cards.t.TeferiTemporalPilgrim.class));
+        cards.add(new SetCardInfo("Terisian Mindbreaker", 83, Rarity.RARE, mage.cards.t.TerisianMindbreaker.class));
         cards.add(new SetCardInfo("The Mightstone and Weakstone", "238a", Rarity.RARE, mage.cards.t.TheMightstoneAndWeakstone.class));
         cards.add(new SetCardInfo("Third Path Savant", 67, Rarity.COMMON, mage.cards.t.ThirdPathSavant.class));
         cards.add(new SetCardInfo("Thopter Mechanic", 68, Rarity.UNCOMMON, mage.cards.t.ThopterMechanic.class));