diff --git a/Mage.Sets/src/mage/cards/s/SinstrikersWill.java b/Mage.Sets/src/mage/cards/s/SinstrikersWill.java
new file mode 100644
index 00000000000..649719d3863
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SinstrikersWill.java
@@ -0,0 +1,95 @@
+/*
+ *  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.s;
+
+import java.util.UUID;
+import mage.constants.SubType;
+import mage.target.common.TargetCreaturePermanent;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.dynamicvalue.common.SourcePermanentPowerCount;
+import mage.abilities.effects.common.AttachEffect;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.constants.Outcome;
+import mage.target.TargetPermanent;
+import mage.abilities.keyword.EnchantAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.AttachmentType;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.target.common.TargetAttackingOrBlockingCreature;
+
+/**
+ *
+ * @author TheElk801
+ */
+public class SinstrikersWill extends CardImpl {
+
+    public SinstrikersWill(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{W}");
+
+        this.subtype.add(SubType.AURA);
+
+        // Enchant creature
+        TargetPermanent auraTarget = new TargetCreaturePermanent();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
+        Ability ability = new EnchantAbility(auraTarget.getTargetName());
+        this.addAbility(ability);
+
+        // Enchanted creature has "{tap}: This creature deals damage equal to its power to target attacking or blocking creature."
+        ability = new SimpleActivatedAbility(new DamageTargetEffect(new SourcePermanentPowerCount()), new TapSourceCost());
+        ability.addTarget(new TargetAttackingOrBlockingCreature());
+        this.addAbility(new SimpleStaticAbility(
+                Zone.BATTLEFIELD,
+                new GainAbilityAttachedEffect(
+                        ability,
+                        AttachmentType.AURA,
+                        Duration.WhileOnBattlefield,
+                        "Enchanted creature has "
+                        + "\"{tap}: This creature deals damage "
+                        + "equal to its power to target "
+                        + "attacking or blocking creature.\""
+                )
+        ));
+    }
+
+    public SinstrikersWill(final SinstrikersWill card) {
+        super(card);
+    }
+
+    @Override
+    public SinstrikersWill copy() {
+        return new SinstrikersWill(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Guildpact.java b/Mage.Sets/src/mage/sets/Guildpact.java
index 467e5bd0d48..67eb5f9fd0e 100644
--- a/Mage.Sets/src/mage/sets/Guildpact.java
+++ b/Mage.Sets/src/mage/sets/Guildpact.java
@@ -169,6 +169,7 @@ public class Guildpact extends ExpansionSet {
         cards.add(new SetCardInfo("Siege of Towers", 76, Rarity.RARE, mage.cards.s.SiegeOfTowers.class));
         cards.add(new SetCardInfo("Silhana Ledgewalker", 94, Rarity.COMMON, mage.cards.s.SilhanaLedgewalker.class));
         cards.add(new SetCardInfo("Silhana Starfletcher", 95, Rarity.COMMON, mage.cards.s.SilhanaStarfletcher.class));
+        cards.add(new SetCardInfo("Sinstriker's Will", 16, Rarity.UNCOMMON, mage.cards.s.SinstrikersWill.class));
         cards.add(new SetCardInfo("Skarrgan Firebird", 77, Rarity.RARE, mage.cards.s.SkarrganFirebird.class));
         cards.add(new SetCardInfo("Skarrgan Pit-Skulk", 96, Rarity.COMMON, mage.cards.s.SkarrganPitSkulk.class));
         cards.add(new SetCardInfo("Skarrgan Skybreaker", 130, Rarity.UNCOMMON, mage.cards.s.SkarrganSkybreaker.class));