From 6fe5a80c6015acbb04dc57807593dde928aa89cf Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Wed, 10 Dec 2025 11:36:47 -0500
Subject: [PATCH] [MSH] Implement Namor the Sub-Mariner

---
 .../src/mage/cards/n/NamorTheSubMariner.java  | 116 ++++++++++++++++++
 .../src/mage/sets/MarvelSuperHeroes.java      |   2 +
 2 files changed, 118 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/n/NamorTheSubMariner.java

diff --git a/Mage.Sets/src/mage/cards/n/NamorTheSubMariner.java b/Mage.Sets/src/mage/cards/n/NamorTheSubMariner.java
new file mode 100644
index 00000000000..f1dfef46e5a
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/n/NamorTheSubMariner.java
@@ -0,0 +1,116 @@
+package mage.cards.n;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.common.SpellCastControllerTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.continuous.SetBasePowerSourceEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterSpell;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.Predicate;
+import mage.filter.predicate.Predicates;
+import mage.game.Game;
+import mage.game.permanent.token.MerfolkToken;
+import mage.game.stack.Spell;
+import mage.game.stack.StackObject;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class NamorTheSubMariner extends CardImpl {
+
+    private static final DynamicValue xValue = new PermanentsOnBattlefieldCount(new FilterControlledPermanent(SubType.MERFOLK));
+    private static final Hint hint = new ValueHint("Merfolk you control", xValue);
+    private static final FilterSpell filter = new FilterSpell("a noncreature spell with one or more blue mana symbols in its mana cost");
+
+    static {
+        filter.add(Predicates.not(CardType.CREATURE.getPredicate()));
+        filter.add(NamorTheSubMarinerPredicate.instance);
+    }
+
+    public NamorTheSubMariner(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{U}{U}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MUTANT);
+        this.subtype.add(SubType.MERFOLK);
+        this.subtype.add(SubType.VILLAIN);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(4);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // Namor's power is equal to the number of Merfolk you control.
+        this.addAbility(new SimpleStaticAbility(Zone.ALL, new SetBasePowerSourceEffect(xValue)));
+
+        // Whenever you cast a noncreature spell with one or more blue mana symbols in its mana cost, create that many 1/1 blue Merfolk creature tokens.
+        this.addAbility(new SpellCastControllerTriggeredAbility(
+                new CreateTokenEffect(new MerfolkToken(), NamorTheSubMarinerValue.instance), filter, false
+        ));
+    }
+
+    private NamorTheSubMariner(final NamorTheSubMariner card) {
+        super(card);
+    }
+
+    @Override
+    public NamorTheSubMariner copy() {
+        return new NamorTheSubMariner(this);
+    }
+}
+
+enum NamorTheSubMarinerPredicate implements Predicate<StackObject> {
+    instance;
+
+    @Override
+    public boolean apply(StackObject input, Game game) {
+        return input
+                .getManaCost()
+                .stream()
+                .anyMatch(manaCost -> manaCost.containsColor(ColoredManaSymbol.U));
+    }
+}
+
+enum NamorTheSubMarinerValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Spell spell = (Spell) effect.getValue("spellCast");
+        return spell != null
+                ? spell
+                .getManaCost()
+                .stream()
+                .mapToInt(manaCost -> manaCost.containsColor(ColoredManaSymbol.U) ? 1 : 0)
+                .sum()
+                : 0;
+    }
+
+    @Override
+    public NamorTheSubMarinerValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "that many";
+    }
+
+    @Override
+    public String toString() {
+        return "1";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java b/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
index f9622f96e7c..dd95b3dd38f 100644
--- a/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
+++ b/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
@@ -28,6 +28,8 @@ public final class MarvelSuperHeroes extends ExpansionSet {
         cards.add(new SetCardInfo("Doctor Doom", 394, Rarity.MYTHIC, mage.cards.d.DoctorDoom.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Doctor Doom", 95, Rarity.MYTHIC, mage.cards.d.DoctorDoom.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Moon Girl and Devil Dinosaur", 223, Rarity.RARE, mage.cards.m.MoonGirlAndDevilDinosaur.class));
+        cards.add(new SetCardInfo("Namor the Sub-Mariner", 391, Rarity.MYTHIC, mage.cards.n.NamorTheSubMariner.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Namor the Sub-Mariner", 69, Rarity.MYTHIC, mage.cards.n.NamorTheSubMariner.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Quicksilver, Brash Blur", 148, Rarity.RARE, mage.cards.q.QuicksilverBrashBlur.class));
         cards.add(new SetCardInfo("Super-Skrull", 115, Rarity.RARE, mage.cards.s.SuperSkrull.class));
         cards.add(new SetCardInfo("The Coming of Galactus", 212, Rarity.MYTHIC, mage.cards.t.TheComingOfGalactus.class, NON_FULL_USE_VARIOUS));