diff --git a/Mage.Common/src/main/java/mage/utils/testers/AnnounceXTestableDialog.java b/Mage.Common/src/main/java/mage/utils/testers/AnnounceXTestableDialog.java
new file mode 100644
index 00000000000..bd346448472
--- /dev/null
+++ b/Mage.Common/src/main/java/mage/utils/testers/AnnounceXTestableDialog.java
@@ -0,0 +1,65 @@
+package mage.utils.testers;
+
+import mage.abilities.Ability;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Part of testable game dialogs
+ * <p>
+ * Supported methods:
+ * - player.announceX()
+ *
+ * @author JayDi85
+ */
+class AnnounceXTestableDialog extends BaseTestableDialog {
+
+    boolean isYou; // who choose - you or opponent
+    boolean isMana; // reason - for mana payment or another value
+    int min;
+    int max;
+
+    public AnnounceXTestableDialog(boolean isYou, boolean isMana, int min, int max) {
+        super(String.format("player.announceX(%s)", isYou ? "you" : "AI"),
+                String.format("%s from %d to %d", isMana ? "mana" : "cost", min, max), "");
+        this.isYou = isYou;
+        this.isMana = isMana;
+        this.min = min;
+        this.max = max;
+    }
+
+    @Override
+    public List<String> showDialog(Player player, Ability source, Game game, Player opponent) {
+        Player choosingPlayer = this.isYou ? player : opponent;
+        String message = "<font color=green>message</font> with html";
+        int chooseRes;
+        chooseRes = choosingPlayer.announceX(this.min, this.max, message, game, source, this.isMana);
+        List<String> result = new ArrayList<>();
+        result.add(getGroup() + " - " + this.getName() + " selected " + chooseRes);
+        return result;
+    }
+
+    static public void register(TestableDialogsRunner runner) {
+        List<Boolean> isYous = Arrays.asList(false, true);
+        List<Boolean> isManas = Arrays.asList(false, true);
+        for (boolean isYou : isYous) {
+            for (boolean isMana : isManas) {
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 0, 0));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 0, 1));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 0, 3));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 0, 50));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 0, 500));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 1, 1));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 1, 3));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 1, 50));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 3, 3));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 3, 10));
+                runner.registerDialog(new AnnounceXTestableDialog(isYou, isMana, 10, 10));
+            }
+        }
+    }
+}
diff --git a/Mage.Common/src/main/java/mage/utils/testers/ChooseTargetTestableDialog.java b/Mage.Common/src/main/java/mage/utils/testers/ChooseTargetTestableDialog.java
index 152428fb8d8..65284618774 100644
--- a/Mage.Common/src/main/java/mage/utils/testers/ChooseTargetTestableDialog.java
+++ b/Mage.Common/src/main/java/mage/utils/testers/ChooseTargetTestableDialog.java
@@ -32,7 +32,7 @@ class ChooseTargetTestableDialog extends BaseTestableDialog {
     public ChooseTargetTestableDialog(boolean isPlayerChoice, boolean isTargetChoice, boolean notTarget, boolean isYou, String name, Target target) {
         super(String.format("%s%s(%s, %s)",
                 isPlayerChoice ? "player.choose" : "target.choose",
-                isTargetChoice ? "target" : "", // chooseTarget or choose
+                isTargetChoice ? "Target" : "", // chooseTarget or choose
                 isYou ? "you" : "AI",
                 notTarget ? "not target" : "target"), name, target.toString());
         this.isPlayerChoice = isPlayerChoice;
diff --git a/Mage.Common/src/main/java/mage/utils/testers/TestableDialogsRunner.java b/Mage.Common/src/main/java/mage/utils/testers/TestableDialogsRunner.java
index 3afbcd62f73..96e9c0a8b58 100644
--- a/Mage.Common/src/main/java/mage/utils/testers/TestableDialogsRunner.java
+++ b/Mage.Common/src/main/java/mage/utils/testers/TestableDialogsRunner.java
@@ -29,8 +29,7 @@ import java.util.stream.Collectors;
  * [x] chooseTargetAmount
  * [x] chooseUse
  * [x] choosePile
- * [ ] announceXMana // TODO: implement
- * [ ] announceXCost // TODO: implement
+ * [x] announceX
  * [ ] getAmount // TODO: implement
  * [ ] getMultiAmountWithIndividualConstraints // TODO: implement
  * <p>
@@ -74,6 +73,7 @@ public class TestableDialogsRunner {
         ChooseChoiceTestableDialog.register(this);
         ChoosePileTestableDialog.register(this);
         ChooseAmountTestableDialog.register(this);
+        AnnounceXTestableDialog.register(this);
     }
 
     void registerDialog(TestableDialog dialog) {