diff --git a/Mage.Sets/src/mage/cards/m/MarblePriest.java b/Mage.Sets/src/mage/cards/m/MarblePriest.java
new file mode 100644
index 00000000000..7cc77515bd5
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/m/MarblePriest.java
@@ -0,0 +1,74 @@
+package mage.cards.m;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.PreventAllDamageToSourceEffect;
+import mage.abilities.effects.common.combat.MustBeBlockedByAllSourceEffect;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class MarblePriest extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent(SubType.WALL, "Walls");
+
+    public MarblePriest(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{5}");
+
+        this.subtype.add(SubType.CLERIC);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // All Walls able to block Marble Priest do so.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.BATTLEFIELD,
+                new MustBeBlockedByAllSourceEffect(
+                        Duration.WhileOnBattlefield,
+                        filter
+                )
+        ));
+
+        // Prevent all combat damage that would be dealt to Marble Priest by Walls.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.BATTLEFIELD,
+                new MarblePriestPreventionEffect()
+        ));
+    }
+
+    public MarblePriest(final MarblePriest card) {
+        super(card);
+    }
+
+    @Override
+    public MarblePriest copy() {
+        return new MarblePriest(this);
+    }
+}
+
+class MarblePriestPreventionEffect extends PreventAllDamageToSourceEffect {
+
+    public MarblePriestPreventionEffect() {
+        super(Duration.WhileOnBattlefield);
+        staticText = "Prevent all combat damage that would be dealt to {this} by Walls";
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        return super.applies(event, source, game)
+                && event.getFlag()
+                && game.getObject(event.getSourceId()).hasSubtype(SubType.WALL, game)
+                && event.getTargetId().equals(source.getSourceId());
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Legends.java b/Mage.Sets/src/mage/sets/Legends.java
index 9bfe6843a20..1a5a1cb748d 100644
--- a/Mage.Sets/src/mage/sets/Legends.java
+++ b/Mage.Sets/src/mage/sets/Legends.java
@@ -173,6 +173,7 @@ public final class Legends extends ExpansionSet {
         cards.add(new SetCardInfo("Lost Soul", 111, Rarity.COMMON, mage.cards.l.LostSoul.class));
         cards.add(new SetCardInfo("Mana Drain", 65, Rarity.UNCOMMON, mage.cards.m.ManaDrain.class));
         cards.add(new SetCardInfo("Mana Matrix", 285, Rarity.RARE, mage.cards.m.ManaMatrix.class));
+        cards.add(new SetCardInfo("Marble Priest", 231, Rarity.UNCOMMON, mage.cards.m.MarblePriest.class));
         cards.add(new SetCardInfo("Marhault Elsdragon", 244, Rarity.UNCOMMON, mage.cards.m.MarhaultElsdragon.class));
         cards.add(new SetCardInfo("Mirror Universe", 287, Rarity.RARE, mage.cards.m.MirrorUniverse.class));
         cards.add(new SetCardInfo("Moat", 28, Rarity.RARE, mage.cards.m.Moat.class));
diff --git a/Mage/src/main/java/mage/abilities/effects/common/combat/MustBeBlockedByAllSourceEffect.java b/Mage/src/main/java/mage/abilities/effects/common/combat/MustBeBlockedByAllSourceEffect.java
index 82cc2d8ccb9..4f4fc76fe66 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/combat/MustBeBlockedByAllSourceEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/combat/MustBeBlockedByAllSourceEffect.java
@@ -1,11 +1,11 @@
-
-
 package mage.abilities.effects.common.combat;
 
 import java.util.UUID;
 import mage.constants.Duration;
 import mage.abilities.Ability;
 import mage.abilities.effects.RequirementEffect;
+import mage.filter.StaticFilters;
+import mage.filter.common.FilterCreaturePermanent;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 
@@ -15,23 +15,33 @@ import mage.game.permanent.Permanent;
  */
 public class MustBeBlockedByAllSourceEffect extends RequirementEffect {
 
+    private final FilterCreaturePermanent filter;
+
     public MustBeBlockedByAllSourceEffect() {
         this(Duration.WhileOnBattlefield);
     }
 
     public MustBeBlockedByAllSourceEffect(Duration duration) {
+        this(duration, StaticFilters.FILTER_PERMANENT_CREATURES);
+    }
+
+    public MustBeBlockedByAllSourceEffect(Duration duration, FilterCreaturePermanent filter) {
         super(duration);
-        staticText = "All creatures able to block {this} do so";
+        this.filter = filter;
+        staticText = "All " + filter.getMessage() + " able to block {this} do so";
     }
 
     public MustBeBlockedByAllSourceEffect(final MustBeBlockedByAllSourceEffect effect) {
         super(effect);
+        this.filter = effect.filter;
     }
 
     @Override
     public boolean applies(Permanent permanent, Ability source, Game game) {
         Permanent sourceCreature = game.getPermanent(source.getSourceId());
-        if (sourceCreature != null && sourceCreature.isAttacking()) {
+        if (sourceCreature != null
+                && sourceCreature.isAttacking()
+                && filter.match(permanent, game)) {
             return permanent.canBlock(source.getSourceId(), game);
         }
         return false;