From 162365269d96410e17998db30c10bd2fe844fa3d Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Wed, 9 Apr 2025 13:29:54 -0400
Subject: [PATCH] [TDM] Implement Herd Heirloom

---
 Mage.Sets/src/mage/cards/h/HerdHeirloom.java  | 72 +++++++++++++++++++
 .../src/mage/sets/TarkirDragonstorm.java      |  1 +
 2 files changed, 73 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/h/HerdHeirloom.java

diff --git a/Mage.Sets/src/mage/cards/h/HerdHeirloom.java b/Mage.Sets/src/mage/cards/h/HerdHeirloom.java
new file mode 100644
index 00000000000..e3c47f7abdf
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/h/HerdHeirloom.java
@@ -0,0 +1,72 @@
+package mage.cards.h;
+
+import mage.ConditionalMana;
+import mage.abilities.Ability;
+import mage.abilities.common.DealsCombatDamageToAPlayerTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.abilities.mana.ConditionalAnyColorManaAbility;
+import mage.abilities.mana.builder.ConditionalManaBuilder;
+import mage.abilities.mana.conditional.CreatureCastConditionalMana;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.ComparisonType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.predicate.mageobject.PowerPredicate;
+import mage.target.TargetPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HerdHeirloom extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterControlledCreaturePermanent("creature you control with power 4 or greater");
+
+    static {
+        filter.add(new PowerPredicate(ComparisonType.MORE_THAN, 3));
+    }
+
+    public HerdHeirloom(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{1}{G}");
+
+        // {T}: Add one mana of any color. Spend this mana only to cast a creature spell.
+        this.addAbility(new ConditionalAnyColorManaAbility(1, new HerdHeirloomManaBuilder()));
+
+        // {T}: Until end of turn, target creature you control with power 4 or greater gains trample and "Whenever this creature deals combat damage to a player, draw a card."
+        Ability ability = new SimpleActivatedAbility(new GainAbilityTargetEffect(TrampleAbility.getInstance())
+                .setText("until end of turn, target creature you control with power 4 or greater gains trample"), new TapSourceCost());
+        ability.addEffect(new GainAbilityTargetEffect(new DealsCombatDamageToAPlayerTriggeredAbility(new DrawCardSourceControllerEffect(1)))
+                .setText("and \"Whenever this creature deals combat damage to a player, draw a card.\""));
+        ability.addTarget(new TargetPermanent(filter));
+        this.addAbility(ability);
+    }
+
+    private HerdHeirloom(final HerdHeirloom card) {
+        super(card);
+    }
+
+    @Override
+    public HerdHeirloom copy() {
+        return new HerdHeirloom(this);
+    }
+}
+
+class HerdHeirloomManaBuilder extends ConditionalManaBuilder {
+    @Override
+    public ConditionalMana build(Object... options) {
+        return new CreatureCastConditionalMana(this.mana);
+    }
+
+    @Override
+    public String getRule() {
+        return "Spend this mana only to cast a creature spell";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/TarkirDragonstorm.java b/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
index 74b45fe1e2d..6cf9e9b1569 100644
--- a/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
+++ b/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
@@ -120,6 +120,7 @@ public final class TarkirDragonstorm extends ExpansionSet {
         cards.add(new SetCardInfo("Gurmag Nightwatch", 190, Rarity.COMMON, mage.cards.g.GurmagNightwatch.class));
         cards.add(new SetCardInfo("Gurmag Rakshasa", 81, Rarity.UNCOMMON, mage.cards.g.GurmagRakshasa.class));
         cards.add(new SetCardInfo("Hardened Tactician", 191, Rarity.UNCOMMON, mage.cards.h.HardenedTactician.class));
+        cards.add(new SetCardInfo("Herd Heirloom", 144, Rarity.RARE, mage.cards.h.HerdHeirloom.class));
         cards.add(new SetCardInfo("Heritage Reclamation", 145, Rarity.COMMON, mage.cards.h.HeritageReclamation.class));
         cards.add(new SetCardInfo("Highspire Bell-Ringer", 47, Rarity.COMMON, mage.cards.h.HighspireBellRinger.class));
         cards.add(new SetCardInfo("Humbling Elder", 48, Rarity.COMMON, mage.cards.h.HumblingElder.class));