diff --git a/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/ProwlTest.java b/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/ProwlTest.java
new file mode 100644
index 00000000000..7dd95c4e919
--- /dev/null
+++ b/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/ProwlTest.java
@@ -0,0 +1,75 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.mage.test.cards.abilities.keywords;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ *
+ * @author escplan9 (Derek Monturo - dmontur1 at gmail dot com)
+ */
+public class ProwlTest extends CardTestPlayerBase {
+    
+    @Test
+    public void testBasicProwlCasting() {
+            
+        // Auntie's Snitch {2}{B} Creature — Goblin Rogue (3/1) 
+        // Auntie's Snitch can't block.
+        // Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.)
+        // Whenever a Goblin or Rogue you control deals combat damage to a player, if Auntie's Snitch is in your graveyard, you may return Auntie's Snitch to your hand.
+        addCard(Zone.HAND, playerA, "Auntie's Snitch");
+        
+        // {1}{R} Creature — Goblin Warrior 1/1
+        // Red creatures you control have first strike.
+        addCard(Zone.BATTLEFIELD, playerA, "Bloodmark Mentor");        
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp", 2);
+        
+        attack(1, playerA, "Bloodmark Mentor");
+        
+        castSpell(1, PhaseStep.POSTCOMBAT_MAIN, playerA, "Auntie's Snitch using prowl");
+        setChoice(playerA, "Yes"); // choosing to pay prowl cost
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        
+        assertLife(playerB, 19);
+        assertPermanentCount(playerA, "Bloodmark Mentor", 1);
+        assertPermanentCount(playerA, "Auntie's Snitch", 1);
+    }
+    
+    /*
+     * Reported bug: Prowl is not taking into consideration other cost reducing effects. For instance Goblin Warchief
+     * does not reduce the Prowl cost of other Goblin cards with Prowl ability.
+    */
+    @Test
+    public void testProwlWithCostDiscount() {
+           
+        // Auntie's Snitch {2}{B} Creature — Goblin Rogue (3/1) 
+        // Auntie's Snitch can't block.
+        // Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.)
+        // Whenever a Goblin or Rogue you control deals combat damage to a player, if Auntie's Snitch is in your graveyard, you may return Auntie's Snitch to your hand.
+        addCard(Zone.HAND, playerA, "Auntie's Snitch");        
+        
+        // Goblin Warchief {1}{R}{R} Creature — Goblin Warrior (2/2)
+        // Goblin spells you cast cost 1 less to cast.
+        // Goblin creatures you control have haste.
+        addCard(Zone.BATTLEFIELD, playerA, "Goblin Warchief");
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp");
+                
+        attack(1, playerA, "Goblin Warchief");
+        
+        castSpell(1, PhaseStep.POSTCOMBAT_MAIN, playerA, "Auntie's Snitch using prowl"); // should only cost {B} with Warchief discount
+        setChoice(playerA, "Yes"); // choosing to pay prowl cost
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        
+        assertLife(playerB, 18);
+        assertPermanentCount(playerA, "Goblin Warchief", 1);
+        assertPermanentCount(playerA, "Auntie's Snitch", 1);
+    }
+}
diff --git a/Mage.Tests/src/test/java/org/mage/test/cards/triggers/ShuffleTriggeredTest.java b/Mage.Tests/src/test/java/org/mage/test/cards/triggers/ShuffleTriggeredTest.java
index 3f0d91ce2a6..69bc2dbfae1 100644
--- a/Mage.Tests/src/test/java/org/mage/test/cards/triggers/ShuffleTriggeredTest.java
+++ b/Mage.Tests/src/test/java/org/mage/test/cards/triggers/ShuffleTriggeredTest.java
@@ -65,6 +65,8 @@ public class ShuffleTriggeredTest extends CardTestPlayerBase {
      * Wenn ich mit Knowledge Exploitation einen Gegner seine Bibliothek mischen
      * lasse, dann triggert Widespread Panic für ihn (sollte garnicht triggern).
      * Bei Bribery ist es genauso.
+     * 
+     * If I have an opponent shuffle his library using Knowledge Exploitation, Widespread Panic triggers for him (shoudn't trigger at all). Same thing with Bribery.
      */
     @Test
     public void testWidespreadPanicDoesNotTriggerIfOpponentShufflesPlayersLibrary() {