From a76d82884b2055af1def04ad6ea955830ecde9a1 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Thu, 24 Jul 2025 13:11:31 -0400
Subject: [PATCH] [SPM] Implement Grow Extra Arms

---
 Mage.Sets/src/mage/cards/g/GrowExtraArms.java | 47 +++++++++++++++++++
 Mage.Sets/src/mage/sets/MarvelsSpiderMan.java |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/g/GrowExtraArms.java

diff --git a/Mage.Sets/src/mage/cards/g/GrowExtraArms.java b/Mage.Sets/src/mage/cards/g/GrowExtraArms.java
new file mode 100644
index 00000000000..0afce620725
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/g/GrowExtraArms.java
@@ -0,0 +1,47 @@
+package mage.cards.g;
+
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.SourceTargetsPermanentCondition;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionSourceEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class GrowExtraArms extends CardImpl {
+
+    private static final Condition condition
+            = new SourceTargetsPermanentCondition(new FilterPermanent(SubType.SPIDER, "a Spider"));
+
+    public GrowExtraArms(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{1}{G}");
+
+        // This spell costs {1} less to cast if it targets a Spider.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL, new SpellCostReductionSourceEffect(1, condition).setCanWorksOnStackOnly(true)
+        ).setRuleAtTheTop(true));
+
+        // Target creature gets +4/+4 until end of turn.
+        this.getSpellAbility().addEffect(new BoostTargetEffect(4, 4));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private GrowExtraArms(final GrowExtraArms card) {
+        super(card);
+    }
+
+    @Override
+    public GrowExtraArms copy() {
+        return new GrowExtraArms(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MarvelsSpiderMan.java b/Mage.Sets/src/mage/sets/MarvelsSpiderMan.java
index e5e8bc8134b..2dd6060755a 100644
--- a/Mage.Sets/src/mage/sets/MarvelsSpiderMan.java
+++ b/Mage.Sets/src/mage/sets/MarvelsSpiderMan.java
@@ -29,6 +29,7 @@ public final class MarvelsSpiderMan extends ExpansionSet {
         cards.add(new SetCardInfo("Eerie Gravestone", 163, Rarity.COMMON, mage.cards.e.EerieGravestone.class));
         cards.add(new SetCardInfo("Flying Octobot", 31, Rarity.UNCOMMON, mage.cards.f.FlyingOctobot.class));
         cards.add(new SetCardInfo("Forest", 198, Rarity.LAND, mage.cards.basiclands.Forest.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Grow Extra Arms", 101, Rarity.COMMON, mage.cards.g.GrowExtraArms.class));
         cards.add(new SetCardInfo("Guy in the Chair", 102, Rarity.COMMON, mage.cards.g.GuyInTheChair.class));
         cards.add(new SetCardInfo("Island", 195, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Kapow!", 103, Rarity.COMMON, mage.cards.k.Kapow.class));