From af0178962d219674852ce6822ab930ff9e3f1fb5 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Sat, 17 Apr 2021 12:44:49 -0400
Subject: [PATCH] [STX] fixed Plumb the Forbidden ability not triggering (fixes
 #7755)

---
 .../src/mage/cards/p/PlumbTheForbidden.java   |  9 +++++
 .../single/stx/PlumbTheForbiddenTest.java     | 40 +++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 Mage.Tests/src/test/java/org/mage/test/cards/single/stx/PlumbTheForbiddenTest.java

diff --git a/Mage.Sets/src/mage/cards/p/PlumbTheForbidden.java b/Mage.Sets/src/mage/cards/p/PlumbTheForbidden.java
index e10060ca51..378d01c85f 100644
--- a/Mage.Sets/src/mage/cards/p/PlumbTheForbidden.java
+++ b/Mage.Sets/src/mage/cards/p/PlumbTheForbidden.java
@@ -50,6 +50,10 @@ class PlumbTheForbiddenCost extends SacrificeTargetCost {
                 "copy this spell for each creature sacrificed this way";
     }
 
+    private PlumbTheForbiddenCost(final PlumbTheForbiddenCost cost) {
+        super(cost);
+    }
+
     @Override
     public boolean pay(Ability ability, Game game, Ability source, UUID controllerId, boolean noMana, Cost costToPay) {
         if (!super.pay(ability, game, source, controllerId, noMana, costToPay)) {
@@ -69,4 +73,9 @@ class PlumbTheForbiddenCost extends SacrificeTargetCost {
     public boolean canPay(Ability ability, Ability source, UUID controllerId, Game game) {
         return true;
     }
+
+    @Override
+    public PlumbTheForbiddenCost copy() {
+        return new PlumbTheForbiddenCost(this);
+    }
 }
diff --git a/Mage.Tests/src/test/java/org/mage/test/cards/single/stx/PlumbTheForbiddenTest.java b/Mage.Tests/src/test/java/org/mage/test/cards/single/stx/PlumbTheForbiddenTest.java
new file mode 100644
index 0000000000..323b578d48
--- /dev/null
+++ b/Mage.Tests/src/test/java/org/mage/test/cards/single/stx/PlumbTheForbiddenTest.java
@@ -0,0 +1,40 @@
+package org.mage.test.cards.single.stx;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author TheElk801
+ */
+public class PlumbTheForbiddenTest extends CardTestPlayerBase {
+
+    private static final String plumb = "Plumb the Forbidden";
+    private static final String bear = "Grizzly Bears";
+    private static final String lion = "Silvercoat Lion";
+    private static final String corpse = "Walking Corpse";
+
+    @Test
+    public void testPlumbTheForbidden() {
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp", 2);
+        addCard(Zone.BATTLEFIELD, playerA, bear);
+        addCard(Zone.BATTLEFIELD, playerA, lion);
+        addCard(Zone.BATTLEFIELD, playerA, corpse);
+        addCard(Zone.HAND, playerA, plumb);
+
+        setChoice(playerA, String.join("^", bear, lion, corpse));
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, plumb);
+
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertGraveyardCount(playerA, bear, 1);
+        assertGraveyardCount(playerA, lion, 1);
+        assertGraveyardCount(playerA, corpse, 1);
+        assertGraveyardCount(playerA, plumb, 1);
+        assertLife(playerA, 20 - 4);
+        assertHandCount(playerA, 4);
+    }
+}