diff --git a/Mage.Sets/src/mage/cards/c/ClaraOswald.java b/Mage.Sets/src/mage/cards/c/ClaraOswald.java
new file mode 100644
index 00000000000..53b1863d768
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/c/ClaraOswald.java
@@ -0,0 +1,92 @@
+package mage.cards.c;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.CommanderChooseColorAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.keyword.DoctorsCompanionAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.NumberOfTriggersEvent;
+import mage.game.permanent.Permanent;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ClaraOswald extends CardImpl {
+
+    public ClaraOswald(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{6}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.ADVISOR);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(6);
+
+        // Impossible Girl -- If Clara Oswald is your commander, choose a color before the game begins. Clara Oswald is the chosen color.
+        this.addAbility(new CommanderChooseColorAbility().withFlavorWord("Impossible Girl"));
+
+        // If a triggered ability of a Doctor you control triggers, that ability triggers an additional time.
+        this.addAbility(new SimpleStaticAbility(new ClaraOswaldEffect()));
+
+        // Doctor's companion
+        this.addAbility(DoctorsCompanionAbility.getInstance());
+    }
+
+    private ClaraOswald(final ClaraOswald card) {
+        super(card);
+    }
+
+    @Override
+    public ClaraOswald copy() {
+        return new ClaraOswald(this);
+    }
+}
+
+class ClaraOswaldEffect extends ReplacementEffectImpl {
+
+    ClaraOswaldEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "if a triggered ability of a Doctor you control triggers, " +
+                "that ability triggers an additional time";
+    }
+
+    private ClaraOswaldEffect(final ClaraOswaldEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ClaraOswaldEffect copy() {
+        return new ClaraOswaldEffect(this);
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.NUMBER_OF_TRIGGERS;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (!(event instanceof NumberOfTriggersEvent)) {
+            return false;
+        }
+        Permanent permanent = game.getPermanent(((NumberOfTriggersEvent) event).getSourceId());
+        return permanent != null
+                && permanent.isControlledBy(source.getControllerId())
+                && permanent.hasSubtype(SubType.DOCTOR, game);
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        event.setAmount(CardUtil.overflowInc(event.getAmount(), 1));
+        return false;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/DoctorWho.java b/Mage.Sets/src/mage/sets/DoctorWho.java
index aba33726694..1a05a09fce9 100644
--- a/Mage.Sets/src/mage/sets/DoctorWho.java
+++ b/Mage.Sets/src/mage/sets/DoctorWho.java
@@ -39,6 +39,7 @@ public final class DoctorWho extends ExpansionSet {
         cards.add(new SetCardInfo("Choked Estuary", 261, Rarity.RARE, mage.cards.c.ChokedEstuary.class));
         cards.add(new SetCardInfo("Cinder Glade", 262, Rarity.RARE, mage.cards.c.CinderGlade.class));
         cards.add(new SetCardInfo("City of Death", 99, Rarity.RARE, mage.cards.c.CityOfDeath.class));
+        cards.add(new SetCardInfo("Clara Oswald", 9, Rarity.RARE, mage.cards.c.ClaraOswald.class));
         cards.add(new SetCardInfo("Clockspinning", 215, Rarity.COMMON, mage.cards.c.Clockspinning.class));
         cards.add(new SetCardInfo("Clockwork Droid", 172, Rarity.UNCOMMON, mage.cards.c.ClockworkDroid.class));
         cards.add(new SetCardInfo("Command Tower", 263, Rarity.COMMON, mage.cards.c.CommandTower.class));
diff --git a/Mage/src/main/java/mage/abilities/common/CommanderChooseColorAbility.java b/Mage/src/main/java/mage/abilities/common/CommanderChooseColorAbility.java
index 1063dfece4c..231aa9689ec 100644
--- a/Mage/src/main/java/mage/abilities/common/CommanderChooseColorAbility.java
+++ b/Mage/src/main/java/mage/abilities/common/CommanderChooseColorAbility.java
@@ -1,6 +1,7 @@
 package mage.abilities.common;
 
 import mage.abilities.StaticAbility;
+import mage.abilities.effects.common.InfoEffect;
 import mage.cards.Card;
 import mage.constants.Zone;
 
@@ -10,7 +11,7 @@ import mage.constants.Zone;
 public class CommanderChooseColorAbility extends StaticAbility {
 
     public CommanderChooseColorAbility() {
-        super(Zone.ALL, null);
+        super(Zone.ALL, new InfoEffect("if {this} is your commander, choose a color before the game begins. {this} is the chosen color"));
     }
 
     private CommanderChooseColorAbility(final CommanderChooseColorAbility ability) {
@@ -22,11 +23,6 @@ public class CommanderChooseColorAbility extends StaticAbility {
         return new CommanderChooseColorAbility(this);
     }
 
-    @Override
-    public String getRule() {
-        return "If {this} is your commander, choose a color before the game begins. {this} is the chosen color.";
-    }
-
     public static boolean checkCard(Card card) {
         return card.getAbilities().stream().anyMatch(CommanderChooseColorAbility.class::isInstance);
     }