diff --git a/Mage.Sets/src/mage/sets/mirrodinbesieged/ContestedWarZone.java b/Mage.Sets/src/mage/sets/mirrodinbesieged/ContestedWarZone.java
new file mode 100644
index 0000000000..46edbb0457
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/mirrodinbesieged/ContestedWarZone.java
@@ -0,0 +1,149 @@
+/*
+ *  Copyright 2011 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.UUID;
+import mage.Constants;
+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.Constants.Zone;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continious.BoostAllEffect;
+import mage.abilities.mana.ColorlessManaAbility;
+import mage.cards.CardImpl;
+import mage.filter.common.FilterAttackingCreature;
+import mage.game.Game;
+import mage.game.events.DamagedPlayerEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+
+/**
+ *
+ * @author BetaSteward_at_googlemail.com
+ */
+public class ContestedWarZone extends CardImpl<ContestedWarZone> {
+
+	private static final FilterAttackingCreature filter = new FilterAttackingCreature("Attacking creatures");
+
+	public ContestedWarZone(UUID ownerId) {
+		super(ownerId, 0, "Contested War Zone", Rarity.RARE, new CardType[]{CardType.LAND}, null);
+		this.expansionSetCode = "MBS";
+		this.addAbility(new ColorlessManaAbility());
+		Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostAllEffect(1, 0, Duration.EndOfTurn, filter, false), new ManaCostsImpl("{1}"));
+		ability.addCost(new TapSourceCost());
+		this.addAbility(ability);
+		this.addAbility(new ContestedWarZoneAbility());
+	}
+
+	public ContestedWarZone(final ContestedWarZone card) {
+		super(card);
+	}
+
+	@Override
+	public ContestedWarZone copy() {
+		return new ContestedWarZone(this);
+	}
+
+}
+
+class ContestedWarZoneAbility extends TriggeredAbilityImpl<ContestedWarZoneAbility> {
+
+    public ContestedWarZoneAbility() {
+        super(Constants.Zone.BATTLEFIELD, new ContestedWarZoneEffect());
+     }
+
+    public ContestedWarZoneAbility(final ContestedWarZoneAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public ContestedWarZoneAbility copy() {
+        return new ContestedWarZoneAbility(this);
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (event instanceof DamagedPlayerEvent) {
+            DamagedPlayerEvent damageEvent = (DamagedPlayerEvent)event;
+            Permanent p = game.getPermanent(event.getSourceId());
+            if (damageEvent.getPlayerId().equals(controllerId) && damageEvent.isCombatDamage() && p != null && p.getCardType().contains(CardType.CREATURE)) {
+				game.getState().setValue(sourceId.toString(), p.getControllerId());
+			    return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever a creature deals combat damage to you, that creature's controller gains control of {this}";
+    }
+	
+}
+
+class ContestedWarZoneEffect extends ContinuousEffectImpl<ContestedWarZoneEffect> {
+
+	public ContestedWarZoneEffect() {
+		super(Duration.EndOfGame, Layer.ControlChangingEffects_2, SubLayer.NA, Outcome.GainControl);
+	}
+
+	public ContestedWarZoneEffect(final ContestedWarZoneEffect effect) {
+		super(effect);
+	}
+
+	@Override
+	public ContestedWarZoneEffect copy() {
+		return new ContestedWarZoneEffect(this);
+	}
+
+	@Override
+	public boolean apply(Game game, Ability source) {
+		Permanent permanent = game.getPermanent(source.getSourceId());
+		UUID controllerId = (UUID) game.getState().getValue(source.getSourceId().toString());
+		if (permanent != null && controllerId != null) {
+			return permanent.changeControllerId(controllerId, game);
+		}
+		return false;
+	}
+
+	@Override
+	public String getText(Mode mode) {
+		return "Gain control of {this}";
+	}
+}