diff --git a/Mage.Sets/src/mage/cards/s/SwarmyardMassacre.java b/Mage.Sets/src/mage/cards/s/SwarmyardMassacre.java
new file mode 100644
index 00000000000..17a6426bbdc
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SwarmyardMassacre.java
@@ -0,0 +1,62 @@
+package mage.cards.s;
+
+import java.util.UUID;
+
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.Predicates;
+import mage.game.permanent.token.SquirrelToken;
+
+/**
+ *
+ * @author Grath
+ */
+public final class SwarmyardMassacre extends CardImpl {
+
+    static final FilterCreaturePermanent notSwarmyardFilter = new FilterCreaturePermanent("each creature that isn't an Insect, Rat, Spider, or Squirrel");
+    static final FilterCreaturePermanent swarmyardFilter = new FilterCreaturePermanent("creature you control that's an Insect, Rat, Spider, or Squirrel");
+    private static final DynamicValue xValue = new PermanentsOnBattlefieldCount(swarmyardFilter, -1);
+
+    static {
+        notSwarmyardFilter.add(Predicates.not(Predicates.or(
+                SubType.INSECT.getPredicate(),
+                SubType.RAT.getPredicate(),
+                SubType.SPIDER.getPredicate(),
+                SubType.SQUIRREL.getPredicate()
+        )));
+        swarmyardFilter.add(Predicates.or(
+                SubType.INSECT.getPredicate(),
+                SubType.RAT.getPredicate(),
+                SubType.SPIDER.getPredicate(),
+                SubType.SQUIRREL.getPredicate()
+        ));
+    }
+
+    public SwarmyardMassacre(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{B}{B}");
+        
+
+        // Create two 1/1 green Squirrel creature tokens. Then each creature that isn't an Insect, Rat, Spider, or Squirrel gets -1/-1 until end of turn for each creature you control that's an Insect, Rat, Spider, or Squirrel.
+        this.getSpellAbility().addEffect(new CreateTokenEffect(new SquirrelToken(), 2));
+        this.getSpellAbility().addEffect(new BoostAllEffect(
+                xValue, xValue, Duration.EndOfTurn, notSwarmyardFilter, false)
+                .concatBy("Then"));
+    }
+
+    private SwarmyardMassacre(final SwarmyardMassacre card) {
+        super(card);
+    }
+
+    @Override
+    public SwarmyardMassacre copy() {
+        return new SwarmyardMassacre(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/BloomburrowCommander.java b/Mage.Sets/src/mage/sets/BloomburrowCommander.java
index 2c1fce4a475..22d3726ac4c 100644
--- a/Mage.Sets/src/mage/sets/BloomburrowCommander.java
+++ b/Mage.Sets/src/mage/sets/BloomburrowCommander.java
@@ -273,6 +273,7 @@ public final class BloomburrowCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Sunscorch Regent", 158, Rarity.RARE, mage.cards.s.SunscorchRegent.class));
         cards.add(new SetCardInfo("Sunscorched Divide", 336, Rarity.RARE, mage.cards.s.SunscorchedDivide.class));
         cards.add(new SetCardInfo("Swarmyard", 133, Rarity.RARE, mage.cards.s.Swarmyard.class));
+        cards.add(new SetCardInfo("Swarmyard Massacre", 20, Rarity.RARE, mage.cards.s.SwarmyardMassacre.class));
         cards.add(new SetCardInfo("Swiftfoot Boots", 286, Rarity.UNCOMMON, mage.cards.s.SwiftfootBoots.class));
         cards.add(new SetCardInfo("Swords to Plowshares", 109, Rarity.UNCOMMON, mage.cards.s.SwordsToPlowshares.class));
         cards.add(new SetCardInfo("Tainted Wood", 337, Rarity.UNCOMMON, mage.cards.t.TaintedWood.class));