diff --git a/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/OfferingTest.java b/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/OfferingTest.java
new file mode 100644
index 00000000000..a909755a9d9
--- /dev/null
+++ b/Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/OfferingTest.java
@@ -0,0 +1,51 @@
+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;
+
+public class OfferingTest extends CardTestPlayerBase {
+
+    private final static String nezumiPatron = "Patron of the Nezumi";
+
+
+    @Test
+    public void testOfferRatDecreaseCC() {
+
+        String kurosTaken = "Kuro's Taken";
+
+        addCard(Zone.HAND, playerA, nezumiPatron, 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp", 8);
+        addCard(Zone.BATTLEFIELD, playerA, kurosTaken);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, nezumiPatron);
+        setChoice(playerA, "Yes");
+        addTarget(playerA, kurosTaken);
+        setStopAt(1, PhaseStep.POSTCOMBAT_MAIN);
+        execute();
+
+        assertGraveyardCount(playerA, kurosTaken, 1);
+        assertPermanentCount(playerA, nezumiPatron, 1);
+        assertTappedCount("Swamp", true, 5); // {5}{B}{B} - {1}{B} = {4}{B} = 5 swamps tapped
+    }
+
+    @Test
+    public void testDontOfferRatNotDecreaseCC() {
+
+        String kurosTaken = "Kuro's Taken";
+
+        addCard(Zone.HAND, playerA, nezumiPatron, 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp", 8);
+        addCard(Zone.BATTLEFIELD, playerA, kurosTaken);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, nezumiPatron);
+        setChoice(playerA, "No");
+        setStopAt(1, PhaseStep.POSTCOMBAT_MAIN);
+        execute();
+
+        assertPermanentCount(playerA, kurosTaken, 1);
+        assertPermanentCount(playerA, nezumiPatron, 1);
+        assertTappedCount("Swamp", true, 7); // {5}{B}{B} - {1}{B} = {4}{B} = 7 swamps tapped
+    }
+}