diff --git a/Mage.Client/release/sample-decks/Starter Decks/[MBS] Battle Cries.dck b/Mage.Client/release/sample-decks/Starter Decks/[MBS] Battle Cries.dck
new file mode 100644
index 00000000000..5b95572d7c0
--- /dev/null
+++ b/Mage.Client/release/sample-decks/Starter Decks/[MBS] Battle Cries.dck	
@@ -0,0 +1,32 @@
+//Created with Mage - www.magefree.com
+NAME:Battle Cries
+AUTHOR:WotC
+
+1 [M12:34] Siege Mastodon
+1 [SOM:16] Myrsmith
+1 [MBS:60] Concussive Bolt
+2 [MBS:2] Ardent Recruit
+3 [MBS:70] Kuldotha Ringleader
+2 [MBS:119] Peace Strider
+1 [M11:31] Silvercoat Lion
+1 [MRD:11] Leonin Skyhunter
+2 [MBS:131] Signal Pest
+2 [SOM:174] Memnite
+1 [MBS:143] Viridian Claw
+2 [SOM:189] Origin Spellbomb
+2 [MBS:1] Accorder Paladin
+1 [M11:221] Whispersilk Cloak
+2 [MRD:2] Arrest
+2 [MRD:187] Iron Myr
+1 [MBS:10] Leonin Relic-Warder
+1 [MBS:18] Victory's Herald
+1 [MRD:180] Gold Myr
+1 [MBS:127] Razorfield Rhino
+2 [SOM:91] Galvanic Blast
+1 [MBS:19] White Sun's Zenith
+3 [MBS:13] Master's Call
+# Land
+8 [MBS:146] Plains
+8 [MBS:147] Plains
+4 [MBS:152] Mountain
+4 [MBS:153] Mountain
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/mirrodinbesieged/ConcussiveBolt.java b/Mage.Sets/src/mage/sets/mirrodinbesieged/ConcussiveBolt.java
new file mode 100644
index 00000000000..77ab851129a
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/mirrodinbesieged/ConcussiveBolt.java
@@ -0,0 +1,107 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.sets.mirrodinbesieged;
+
+import java.util.List;
+import java.util.UUID;
+import mage.Constants.CardType;
+import mage.Constants.Duration;
+import mage.Constants.Layer;
+import mage.Constants.Outcome;
+import mage.Constants.Rarity;
+import mage.Constants.SubLayer;
+import mage.abilities.Ability;
+import mage.abilities.common.CantBlockAbility;
+import mage.abilities.condition.common.Metalcraft;
+import mage.abilities.decorator.ConditionalContinousEffect;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.cards.CardImpl;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+
+/**
+ *
+ * @author North
+ */
+public class ConcussiveBolt extends CardImpl<ConcussiveBolt> {
+
+    public ConcussiveBolt(UUID ownerId) {
+        super(ownerId, 60, "Concussive Bolt", Rarity.COMMON, new CardType[]{CardType.SORCERY}, "{3}{R}{R}");
+        this.expansionSetCode = "MBS";
+
+        this.color.setRed(true);
+
+        this.getSpellAbility().addTarget(new TargetPlayer());
+        this.getSpellAbility().addEffect(new DamageTargetEffect(4));
+        this.getSpellAbility().addEffect(new ConditionalContinousEffect(new ConcussiveBoltEffect(), Metalcraft.getInstance(), "Metalcraft - If you control three or more artifacts, creatures that player controls can't block this turn"));
+    }
+
+    public ConcussiveBolt(final ConcussiveBolt card) {
+        super(card);
+    }
+
+    @Override
+    public ConcussiveBolt copy() {
+        return new ConcussiveBolt(this);
+    }
+}
+
+class ConcussiveBoltEffect extends ContinuousEffectImpl {
+
+    public ConcussiveBoltEffect() {
+        super(Duration.EndOfTurn, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
+        this.staticText = "creatures target player controls can't block this turn";
+    }
+
+    public ConcussiveBoltEffect(final ConcussiveBoltEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ConcussiveBoltEffect copy() {
+        return new ConcussiveBoltEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        int affectedTargets = 0;
+        Player player = game.getPlayer(source.getFirstTarget());
+        if (player != null) {
+            List<Permanent> permanents = game.getBattlefield().getAllActivePermanents(FilterCreaturePermanent.getDefault(), player.getId());
+            for (Permanent permanent : permanents) {
+                permanent.addAbility(CantBlockAbility.getInstance());
+                affectedTargets++;
+            }
+        }
+        return affectedTargets > 0;
+    }
+}
diff --git a/Mage/src/mage/abilities/condition/common/Metalcraft.java b/Mage/src/mage/abilities/condition/common/Metalcraft.java
index ad96714bcf5..353d98d99ce 100644
--- a/Mage/src/mage/abilities/condition/common/Metalcraft.java
+++ b/Mage/src/mage/abilities/condition/common/Metalcraft.java
@@ -13,7 +13,7 @@ import mage.game.Game;
  */
 public class Metalcraft implements Condition {
 
-    private static FilterPermanent filter = new FilterPermanent("artifact");
+    private static final FilterPermanent filter = new FilterPermanent("artifact");
 
     static {
         filter.getCardType().add(Constants.CardType.ARTIFACT);