From cb79240b0e4f166c582db82b38d5c4ca52789008 Mon Sep 17 00:00:00 2001
From: Muz Ali <git@mustaqila.li>
Date: Sun, 5 Jul 2026 15:50:31 -0500
Subject: [PATCH] [MSC] Implement Quicksilver, Speedster

---
 .../mage/cards/q/QuicksilverSpeedster.java    | 63 +++++++++++++++++++
 .../mage/sets/MarvelSuperHeroesCommander.java |  2 +
 2 files changed, 65 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/q/QuicksilverSpeedster.java

diff --git a/Mage.Sets/src/mage/cards/q/QuicksilverSpeedster.java b/Mage.Sets/src/mage/cards/q/QuicksilverSpeedster.java
new file mode 100644
index 000000000000..027e1ed32df7
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/q/QuicksilverSpeedster.java
@@ -0,0 +1,63 @@
+package mage.cards.q;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterNonlandCard;
+import mage.abilities.keyword.FlashAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.SourceTappedCondition;
+import mage.abilities.decorator.ConditionalAsThoughEffect;
+import mage.abilities.effects.common.continuous.CastAsThoughItHadFlashAllEffect;
+import mage.abilities.keyword.DoubleStrikeAbility;
+import mage.abilities.keyword.HasteAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+
+/**
+ * @author muz
+ */
+public final class QuicksilverSpeedster extends CardImpl {
+
+    private static final FilterCard filter = new FilterNonlandCard("spells");
+
+    public QuicksilverSpeedster(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{U}{R}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MUTANT);
+        this.subtype.add(SubType.HERO);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(4);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // Double strike
+        this.addAbility(DoubleStrikeAbility.getInstance());
+
+        // Haste
+        this.addAbility(HasteAbility.getInstance());
+
+        // As long as Quicksilver is tapped, you may cast spells as though they had flash.
+        this.addAbility(new SimpleStaticAbility(
+            new ConditionalAsThoughEffect(
+                new CastAsThoughItHadFlashAllEffect(Duration.WhileOnBattlefield, filter),
+                SourceTappedCondition.TAPPED
+            ).setText("as long as {this} is tapped, you may cast spells as though they had flash")
+        ));
+    }
+
+    private QuicksilverSpeedster(final QuicksilverSpeedster card) {
+        super(card);
+    }
+
+    @Override
+    public QuicksilverSpeedster copy() {
+        return new QuicksilverSpeedster(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MarvelSuperHeroesCommander.java b/Mage.Sets/src/mage/sets/MarvelSuperHeroesCommander.java
index 6b576cc20e53..77b0cf5e115e 100644
--- a/Mage.Sets/src/mage/sets/MarvelSuperHeroesCommander.java
+++ b/Mage.Sets/src/mage/sets/MarvelSuperHeroesCommander.java
@@ -434,6 +434,8 @@ private MarvelSuperHeroesCommander() {
         cards.add(new SetCardInfo("Queen Mother Ramonda", 320, Rarity.RARE, mage.cards.q.QueenMotherRamonda.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Quicksilver, Pietro Maximoff", 551, Rarity.COMMON, mage.cards.q.QuicksilverPietroMaximoff.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Quicksilver, Pietro Maximoff", 853, Rarity.COMMON, mage.cards.q.QuicksilverPietroMaximoff.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Quicksilver, Speedster", 412, Rarity.RARE, mage.cards.q.QuicksilverSpeedster.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Quicksilver, Speedster", 91, Rarity.RARE, mage.cards.q.QuicksilverSpeedster.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Quinjet Technician", 703, Rarity.COMMON, mage.cards.q.QuinjetTechnician.class));
         cards.add(new SetCardInfo("Radiant Summit", 258, Rarity.RARE, mage.cards.r.RadiantSummit.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Radiant Summit", 486, Rarity.RARE, mage.cards.r.RadiantSummit.class, NON_FULL_USE_VARIOUS));