From c04b961c3255f6285e0a5f0aaa91a20d659dd5e0 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Fri, 9 Jan 2026 11:38:57 -0500
Subject: [PATCH] [ECL] Implement Deepchannel Duelist

---
 .../src/mage/cards/d/DeepchannelDuelist.java  | 54 +++++++++++++++++++
 Mage.Sets/src/mage/sets/LorwynEclipsed.java   |  2 +
 2 files changed, 56 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/d/DeepchannelDuelist.java

diff --git a/Mage.Sets/src/mage/cards/d/DeepchannelDuelist.java b/Mage.Sets/src/mage/cards/d/DeepchannelDuelist.java
new file mode 100644
index 00000000000..1ccee4738cf
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/d/DeepchannelDuelist.java
@@ -0,0 +1,54 @@
+package mage.cards.d;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.UntapTargetEffect;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.triggers.BeginningOfEndStepTriggeredAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.target.TargetPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class DeepchannelDuelist extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterControlledPermanent(SubType.MERFOLK);
+
+    public DeepchannelDuelist(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{W}{U}");
+
+        this.subtype.add(SubType.MERFOLK);
+        this.subtype.add(SubType.SOLDIER);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // At the beginning of your end step, untap target Merfolk you control.
+        Ability ability = new BeginningOfEndStepTriggeredAbility(new UntapTargetEffect());
+        ability.addTarget(new TargetPermanent(filter));
+        this.addAbility(ability);
+
+        // Other Merfolk you control get +1/+1.
+        this.addAbility(new SimpleStaticAbility(new BoostControlledEffect(
+                1, 1, Duration.WhileOnBattlefield, filter, true
+        )));
+    }
+
+    private DeepchannelDuelist(final DeepchannelDuelist card) {
+        super(card);
+    }
+
+    @Override
+    public DeepchannelDuelist copy() {
+        return new DeepchannelDuelist(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/LorwynEclipsed.java b/Mage.Sets/src/mage/sets/LorwynEclipsed.java
index c87f8057541..66e3e7d5f24 100644
--- a/Mage.Sets/src/mage/sets/LorwynEclipsed.java
+++ b/Mage.Sets/src/mage/sets/LorwynEclipsed.java
@@ -82,6 +82,8 @@ public final class LorwynEclipsed extends ExpansionSet {
         cards.add(new SetCardInfo("Dawnhand Eulogist", 99, Rarity.COMMON, mage.cards.d.DawnhandEulogist.class));
         cards.add(new SetCardInfo("Deceit", 212, Rarity.MYTHIC, mage.cards.d.Deceit.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Deceit", 293, Rarity.MYTHIC, mage.cards.d.Deceit.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Deepchannel Duelist", 213, Rarity.UNCOMMON, mage.cards.d.DeepchannelDuelist.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Deepchannel Duelist", 333, Rarity.UNCOMMON, mage.cards.d.DeepchannelDuelist.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Disruptor of Currents", 303, Rarity.RARE, mage.cards.d.DisruptorOfCurrents.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Disruptor of Currents", 47, Rarity.RARE, mage.cards.d.DisruptorOfCurrents.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Doran, Besieged by Time", 215, Rarity.RARE, mage.cards.d.DoranBesiegedByTime.class, NON_FULL_USE_VARIOUS));