diff --git a/Mage.Sets/src/mage/cards/d/Discontinuity.java b/Mage.Sets/src/mage/cards/d/Discontinuity.java
new file mode 100644
index 0000000000..93e62861f1
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/d/Discontinuity.java
@@ -0,0 +1,40 @@
+package mage.cards.d;
+
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.MyTurnCondition;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.EndTurnEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Zone;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class Discontinuity extends CardImpl {
+
+    public Discontinuity(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{3}{U}{U}{U}");
+
+        // As long as it's your turn, this spell costs {2}{U}{U} less to cast.
+        this.addAbility(new SimpleStaticAbility(Zone.ALL, new SpellCostReductionSourceEffect(
+                new ManaCostsImpl("{2}{U}{U}"), MyTurnCondition.instance
+        ).setText("as long as it's your turn, this spell costs {2}{U}{U} less to cast")));
+
+        // End the turn.
+        this.getSpellAbility().addEffect(new EndTurnEffect());
+    }
+
+    private Discontinuity(final Discontinuity card) {
+        super(card);
+    }
+
+    @Override
+    public Discontinuity copy() {
+        return new Discontinuity(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CoreSet2021.java b/Mage.Sets/src/mage/sets/CoreSet2021.java
index 3d5a2c80a4..5c08b29540 100644
--- a/Mage.Sets/src/mage/sets/CoreSet2021.java
+++ b/Mage.Sets/src/mage/sets/CoreSet2021.java
@@ -62,6 +62,7 @@ public final class CoreSet2021 extends ExpansionSet {
         cards.add(new SetCardInfo("Cultivate", 177, Rarity.UNCOMMON, mage.cards.c.Cultivate.class));
         cards.add(new SetCardInfo("Defiant Strike", 15, Rarity.COMMON, mage.cards.d.DefiantStrike.class));
         cards.add(new SetCardInfo("Dire Fleet Warmonger", 217, Rarity.UNCOMMON, mage.cards.d.DireFleetWarmonger.class));
+        cards.add(new SetCardInfo("Discontinuity", 48, Rarity.MYTHIC, mage.cards.d.Discontinuity.class));
         cards.add(new SetCardInfo("Double Vision", 142, Rarity.RARE, mage.cards.d.DoubleVision.class));
         cards.add(new SetCardInfo("Drowsing Tyrannodon", 178, Rarity.COMMON, mage.cards.d.DrowsingTyrannodon.class));
         cards.add(new SetCardInfo("Duress", 96, Rarity.COMMON, mage.cards.d.Duress.class));