diff --git a/Mage.Sets/src/mage/cards/r/RimehornAurochs.java b/Mage.Sets/src/mage/cards/r/RimehornAurochs.java
new file mode 100644
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+++ b/Mage.Sets/src/mage/cards/r/RimehornAurochs.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
+ *  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.r;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.dynamicvalue.common.StaticValue;
+import mage.abilities.effects.RequirementEffect;
+import mage.abilities.effects.common.continuous.BoostSourceEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.AnotherPredicate;
+import mage.filter.predicate.permanent.AttackingPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetCreaturePermanent;
+import mage.watchers.common.BlockedAttackerWatcher;
+
+/**
+ *
+ * @author jeffwadsworth & L_J
+ */
+public class RimehornAurochs extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent(SubType.AUROCHS, "other attacking Aurochs");
+
+    static {
+        filter.add(new AttackingPredicate());
+        filter.add(new AnotherPredicate());
+    }
+
+    public RimehornAurochs(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{4}{G}");
+        this.addSuperType(SuperType.SNOW);
+        this.subtype.add(SubType.AUROCHS);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.
+        this.addAbility(new AttacksTriggeredAbility(new BoostSourceEffect(new PermanentsOnBattlefieldCount(filter), new StaticValue(0), Duration.EndOfTurn, true), false));
+        
+        // {2}{S}: Target creature blocks target creature this turn if able.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new RimehornAurochsEffect(), new ManaCostsImpl("{2}{S}"));
+        ability.addTarget(new TargetCreaturePermanent(new FilterCreaturePermanent("creature that must block")));
+        ability.addTarget(new TargetCreaturePermanent(new FilterCreaturePermanent("creature that is to be blocked")));
+        this.addAbility(ability, new BlockedAttackerWatcher());
+    }
+
+    public RimehornAurochs(final RimehornAurochs card) {
+        super(card);
+    }
+
+    @Override
+    public RimehornAurochs copy() {
+        return new RimehornAurochs(this);
+    }
+}
+
+class RimehornAurochsEffect extends RequirementEffect {
+
+    public RimehornAurochsEffect() {
+        this(Duration.EndOfTurn);
+    }
+
+    public RimehornAurochsEffect(Duration duration) {
+        super(duration);
+        staticText = "Target creature blocks target creature this turn if able";
+    }
+
+    public RimehornAurochsEffect(final RimehornAurochsEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        if (permanent.getId().equals(source.getTargets().get(0).getFirstTarget())) {
+            Permanent blocker = game.getPermanent(source.getTargets().get(0).getFirstTarget());
+            if (blocker != null 
+                    && blocker.canBlock(source.getTargets().get(1).getFirstTarget(), game)) {              
+                Permanent attacker = (Permanent) game.getPermanent(source.getTargets().get(1).getFirstTarget());
+                if (attacker != null) {
+                    BlockedAttackerWatcher blockedAttackerWatcher = (BlockedAttackerWatcher) game.getState().getWatchers().get(BlockedAttackerWatcher.class.getSimpleName());
+                    if (blockedAttackerWatcher != null 
+                            && blockedAttackerWatcher.creatureHasBlockedAttacker(attacker, blocker, game)) {
+                        // has already blocked this turn, so no need to do again
+                        return false;
+                    }                
+                    return true;
+                } else {
+                    discard();
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean mustAttack(Game game) {
+        return false;
+    }
+
+    @Override
+    public boolean mustBlock(Game game) {
+        return true;
+    }
+
+    @Override
+    public UUID mustBlockAttacker(Ability source, Game game) {  
+        return source.getTargets().get(1).getFirstTarget();
+    }
+
+    @Override
+    public RimehornAurochsEffect copy() {
+        return new RimehornAurochsEffect(this);
+    }
+
+}