diff --git a/Mage.Sets/src/mage/sets/onslaught/ChargingSlateback.java b/Mage.Sets/src/mage/sets/onslaught/ChargingSlateback.java
new file mode 100644
index 00000000000..85e7d4663c3
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/onslaught/ChargingSlateback.java
@@ -0,0 +1,66 @@
+/*
+ *  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.sets.onslaught;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.common.CantBlockAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.keyword.MorphAbility;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Rarity;
+
+/**
+ *
+ * @author LoneFox
+ */
+public class ChargingSlateback extends CardImpl {
+
+    public ChargingSlateback(UUID ownerId) {
+        super(ownerId, 194, "Charging Slateback", Rarity.COMMON, new CardType[]{CardType.CREATURE}, "{4}{R}");
+        this.expansionSetCode = "ONS";
+        this.subtype.add("Beast");
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(3);
+
+        // Charging Slateback can't block.
+        this.addAbility(new CantBlockAbility());
+        // Morph {4}{R}
+        this.addAbility(new MorphAbility(this, new ManaCostsImpl("{4}{R}")));
+    }
+
+    public ChargingSlateback(final ChargingSlateback card) {
+        super(card);
+    }
+
+    @Override
+    public ChargingSlateback copy() {
+        return new ChargingSlateback(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/onslaught/KrosanGroundshaker.java b/Mage.Sets/src/mage/sets/onslaught/KrosanGroundshaker.java
new file mode 100644
index 00000000000..e33d105a911
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/onslaught/KrosanGroundshaker.java
@@ -0,0 +1,79 @@
+/*
+ *  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.sets.onslaught;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author LoneFox
+ */
+public class KrosanGroundshaker extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("Beast creature");
+
+    static {
+        filter.add(new SubtypePredicate("Beast"));
+    }
+
+    public KrosanGroundshaker(UUID ownerId) {
+        super(ownerId, 271, "Krosan Groundshaker", Rarity.UNCOMMON, new CardType[]{CardType.CREATURE}, "{4}{G}{G}{G}");
+        this.expansionSetCode = "ONS";
+        this.subtype.add("Beast");
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(6);
+
+        // {G}: Target Beast creature gains trample until end of turn.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new GainAbilityTargetEffect(TrampleAbility.getInstance(), Duration.EndOfTurn), new ManaCostsImpl("{G}"));
+        ability.addTarget(new TargetCreaturePermanent(filter));
+        this.addAbility(ability);
+    }
+
+    public KrosanGroundshaker(final KrosanGroundshaker card) {
+        super(card);
+    }
+
+    @Override
+    public KrosanGroundshaker copy() {
+        return new KrosanGroundshaker(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/onslaught/SnarlingUndorak.java b/Mage.Sets/src/mage/sets/onslaught/SnarlingUndorak.java
new file mode 100644
index 00000000000..b7f2be02a46
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/onslaught/SnarlingUndorak.java
@@ -0,0 +1,81 @@
+/*
+ *  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.sets.onslaught;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
+import mage.abilities.keyword.MorphAbility;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author LoneFox
+ */
+public class SnarlingUndorak extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("Beast creature");
+
+    static {
+        filter.add(new SubtypePredicate("Beast"));
+    }
+
+    public SnarlingUndorak(UUID ownerId) {
+        super(ownerId, 283, "Snarling Undorak", Rarity.COMMON, new CardType[]{CardType.CREATURE}, "{2}{G}{G}");
+        this.expansionSetCode = "ONS";
+        this.subtype.add("Beast");
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // {2}{G}: Target Beast creature gets +1/+1 until end of turn.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostTargetEffect(1, 1, Duration.EndOfTurn), new ManaCostsImpl("{2}{G}"));
+        ability.addTarget(new TargetCreaturePermanent(filter));
+        this.addAbility(ability);
+        // Morph {1}{G}{G}
+        this.addAbility(new MorphAbility(this, new ManaCostsImpl("{1}{G}{G}")));
+    }
+
+    public SnarlingUndorak(final SnarlingUndorak card) {
+        super(card);
+    }
+
+    @Override
+    public SnarlingUndorak copy() {
+        return new SnarlingUndorak(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/onslaught/SpurredWolverine.java b/Mage.Sets/src/mage/sets/onslaught/SpurredWolverine.java
new file mode 100644
index 00000000000..10ad8ce064d
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/onslaught/SpurredWolverine.java
@@ -0,0 +1,85 @@
+/*
+ *  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.sets.onslaught;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapTargetCost;
+import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
+import mage.abilities.keyword.FirstStrikeAbility;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.filter.predicate.permanent.TappedPredicate;
+import mage.target.common.TargetControlledPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+/**
+ *
+ * @author LoneFox
+ */
+public class SpurredWolverine extends CardImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent("untapped Beasts you control");
+
+    static {
+        filter.add(Predicates.not(new TappedPredicate()));
+        filter.add(new SubtypePredicate("Beast"));
+    }
+
+    public SpurredWolverine(UUID ownerId) {
+        super(ownerId, 237, "Spurred Wolverine", Rarity.COMMON, new CardType[]{CardType.CREATURE}, "{4}{R}");
+        this.expansionSetCode = "ONS";
+        this.subtype.add("Wolverine");
+        this.subtype.add("Beast");
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(2);
+
+        // Tap two untapped Beasts you control: Target creature gains first strike until end of turn.
+        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new GainAbilityTargetEffect(
+            FirstStrikeAbility.getInstance(), Duration.EndOfTurn), new TapTargetCost(new TargetControlledPermanent(2, 2, filter, false)));
+        ability.addTarget(new TargetCreaturePermanent());
+        this.addAbility(ability);
+    }
+
+    public SpurredWolverine(final SpurredWolverine card) {
+        super(card);
+    }
+
+    @Override
+    public SpurredWolverine copy() {
+        return new SpurredWolverine(this);
+    }
+}