From 70cf0c5ff05b5fe0b6d978bebc2da84804ade6e8 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Tue, 16 Jan 2024 19:06:23 -0500
Subject: [PATCH] [MKM] Implement Undercity Sewers

---
 .../src/mage/cards/u/UndercitySewers.java     | 45 +++++++++++++++++++
 .../src/mage/sets/MurdersAtKarlovManor.java   |  1 +
 2 files changed, 46 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/u/UndercitySewers.java

diff --git a/Mage.Sets/src/mage/cards/u/UndercitySewers.java b/Mage.Sets/src/mage/cards/u/UndercitySewers.java
new file mode 100644
index 00000000000..3cf0d03f617
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/u/UndercitySewers.java
@@ -0,0 +1,45 @@
+package mage.cards.u;
+
+import mage.abilities.common.EntersBattlefieldTappedAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.effects.keyword.SurveilEffect;
+import mage.abilities.mana.BlackManaAbility;
+import mage.abilities.mana.BlueManaAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class UndercitySewers extends CardImpl {
+
+    public UndercitySewers(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+
+        this.subtype.add(SubType.ISLAND);
+        this.subtype.add(SubType.SWAMP);
+
+        // ({T}: Add {U} or {B}.)
+        this.addAbility(new BlueManaAbility());
+        this.addAbility(new BlackManaAbility());
+
+        // Undercity Sewers enters the battlefield tapped.
+        this.addAbility(new EntersBattlefieldTappedAbility());
+
+        // When Undercity Sewers enters the battlefield, surveil 1.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new SurveilEffect(1, false)));
+    }
+
+    private UndercitySewers(final UndercitySewers card) {
+        super(card);
+    }
+
+    @Override
+    public UndercitySewers copy() {
+        return new UndercitySewers(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
index 589b83c69ef..09ff104912d 100644
--- a/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
+++ b/Mage.Sets/src/mage/sets/MurdersAtKarlovManor.java
@@ -49,6 +49,7 @@ public final class MurdersAtKarlovManor extends ExpansionSet {
         cards.add(new SetCardInfo("Shock", 144, Rarity.COMMON, mage.cards.s.Shock.class));
         cards.add(new SetCardInfo("Swamp", 274, Rarity.LAND, mage.cards.basiclands.Swamp.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Topiary Panther", 179, Rarity.COMMON, mage.cards.t.TopiaryPanther.class));
+        cards.add(new SetCardInfo("Undercity Sewers", 270, Rarity.RARE, mage.cards.u.UndercitySewers.class));
         cards.add(new SetCardInfo("Wojek Investigator", 36, Rarity.RARE, mage.cards.w.WojekInvestigator.class));
     }
 }