diff --git a/Mage.Sets/src/mage/cards/q/QuicksilverBrashBlur.java b/Mage.Sets/src/mage/cards/q/QuicksilverBrashBlur.java
new file mode 100644
index 00000000000..3fda66891f4
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/q/QuicksilverBrashBlur.java
@@ -0,0 +1,58 @@
+package mage.cards.q;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.keyword.HasteAbility;
+import mage.abilities.keyword.LeylineAbility;
+import mage.abilities.keyword.PowerUpAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.counters.CounterType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class QuicksilverBrashBlur extends CardImpl {
+
+    public QuicksilverBrashBlur(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{R}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.MUTANT);
+        this.subtype.add(SubType.HERO);
+        this.power = new MageInt(1);
+        this.toughness = new MageInt(1);
+
+        // If Quicksilver, Brash Blur is in your opening hand, you may begin the game with him on the battlefield.
+        this.addAbility(LeylineAbility.getInstance());
+
+        // Haste
+        this.addAbility(HasteAbility.getInstance());
+
+        // Power-up -- {4}{R}: Put a +1/+1 counter and a double strike counter on Quicksilver.
+        Ability ability = new PowerUpAbility(
+                new AddCountersSourceEffect(CounterType.P1P1.createInstance())
+                        .setText("put a +1/+1 counter"),
+                new ManaCostsImpl<>("{4}{R}")
+        );
+        ability.addEffect(new AddCountersSourceEffect(CounterType.DOUBLE_STRIKE.createInstance())
+                .setText("and a double strike counter on {this}"));
+        this.addAbility(ability);
+    }
+
+    private QuicksilverBrashBlur(final QuicksilverBrashBlur card) {
+        super(card);
+    }
+
+    @Override
+    public QuicksilverBrashBlur copy() {
+        return new QuicksilverBrashBlur(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java b/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
index ff04c56bf3d..5351ea17832 100644
--- a/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
+++ b/Mage.Sets/src/mage/sets/MarvelSuperHeroes.java
@@ -1,6 +1,7 @@
 package mage.sets;
 
 import mage.cards.ExpansionSet;
+import mage.constants.Rarity;
 import mage.constants.SetType;
 
 /**
@@ -18,5 +19,7 @@ public final class MarvelSuperHeroes extends ExpansionSet {
         super("Marvel Super Heroes", "MSH", ExpansionSet.buildDate(2026, 6, 26), SetType.EXPANSION);
         this.blockName = "Marvel Super Heroes"; // for sorting in GUI
         this.hasBasicLands = false; // temporary
+
+        cards.add(new SetCardInfo("Quicksilver, Brash Blur", 148, Rarity.RARE, mage.cards.q.QuicksilverBrashBlur.class));
     }
 }
diff --git a/Mage/src/main/java/mage/abilities/keyword/PowerUpAbility.java b/Mage/src/main/java/mage/abilities/keyword/PowerUpAbility.java
new file mode 100644
index 00000000000..7f93014345a
--- /dev/null
+++ b/Mage/src/main/java/mage/abilities/keyword/PowerUpAbility.java
@@ -0,0 +1,53 @@
+package mage.abilities.keyword;
+
+import mage.abilities.Ability;
+import mage.abilities.ActivatedAbilityImpl;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.CostAdjuster;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.util.CardUtil;
+
+/**
+ * @author TheElk801
+ */
+public class PowerUpAbility extends ActivatedAbilityImpl {
+
+    private enum PowerUpAbilityAdjuster implements CostAdjuster {
+        instance;
+
+        @Override
+        public void reduceCost(Ability ability, Game game) {
+            Permanent permanent = ability.getSourcePermanentIfItStillExists(game);
+            if (permanent != null && permanent.getTurnsOnBattlefield() == 0) {
+                CardUtil.adjustCost(ability, permanent.getManaCost(), false);
+            }
+        }
+    }
+
+    public PowerUpAbility(Effect effect, Cost cost) {
+        this(Zone.BATTLEFIELD, effect, cost);
+        this.maxActivationsPerGame = 1;
+        this.setCostAdjuster(PowerUpAbilityAdjuster.instance);
+    }
+
+    public PowerUpAbility(Zone zone, Effect effect, Cost cost) {
+        super(zone, effect, cost);
+    }
+
+    private PowerUpAbility(final PowerUpAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public PowerUpAbility copy() {
+        return new PowerUpAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Power-up &mdash; " + super.getRule();
+    }
+}