diff --git a/Mage.Sets/src/mage/cards/d/DarkSphere.java b/Mage.Sets/src/mage/cards/d/DarkSphere.java
new file mode 100644
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+++ b/Mage.Sets/src/mage/cards/d/DarkSphere.java
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+/*
+ *  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
+/*
+ *  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.cards.d;
+
+import java.util.UUID;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.SacrificeSourceCost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.filter.FilterObject;
+import mage.game.Game;
+import mage.game.events.DamageEvent;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+import mage.target.TargetSource;
+
+/**
+ *
+ * @author ThomasLerner
+ */
+public class DarkSphere extends CardImpl {
+
+    public DarkSphere(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{0}");
+        
+
+        // {tap}, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DarkSpherePreventionEffect(), new TapSourceCost());
+        ability.addCost(new SacrificeSourceCost());
+        this.addAbility(ability);
+    }
+
+    public DarkSphere(final DarkSphere card) {
+        super(card);
+    }
+
+    @Override
+    public DarkSphere copy() {
+        return new DarkSphere(this);
+    }
+}
+
+
+class DarkSpherePreventionEffect extends ReplacementEffectImpl {
+
+    private final TargetSource targetSource;
+    
+    public DarkSpherePreventionEffect() {
+        super(Duration.OneUse, Outcome.RedirectDamage);
+        this.staticText = "The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down";
+        this.targetSource = new TargetSource(new FilterObject("source of your choice"));
+    }
+    
+    public DarkSpherePreventionEffect(final DarkSpherePreventionEffect effect) {
+        super(effect);
+        this.targetSource = effect.targetSource.copy();
+    }
+
+    @Override
+    public DarkSpherePreventionEffect copy() {
+        return new DarkSpherePreventionEffect(this);
+    }
+
+    @Override
+    public void init(Ability source, Game game) {
+        this.targetSource.choose(Outcome.PreventDamage, source.getControllerId(), source.getSourceId(), game);
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Player controller = game.getPlayer(source.getControllerId());
+        MageObject sourceObject = game.getObject(source.getSourceId());
+        DamageEvent damageEvent = (DamageEvent) event;
+        if (controller != null) {
+            controller.damage((int) Math.ceil(damageEvent.getAmount() / 2.0), damageEvent.getSourceId(), game, damageEvent.isCombatDamage(), damageEvent.isPreventable(), damageEvent.getAppliedEffects());            
+            StringBuilder sb = new StringBuilder(sourceObject != null ? sourceObject.getLogName() : "");
+            sb.append(": ").append(damageEvent.getAmount() / 2).append(" damage prevented");
+            sb.append(" from ").append(controller.getLogName());
+            game.informPlayers(sb.toString());
+            discard(); // only one use           
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DAMAGE_PLAYER;
+    }
+    
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (event.getSourceId().equals(targetSource.getFirstTarget()) && event.getTargetId().equals(source.getControllerId())) {
+            return true;
+        }
+        return false;
+    }
+    
+}