diff --git a/Mage.Sets/src/mage/cards/r/RelentlessAdvance.java b/Mage.Sets/src/mage/cards/r/RelentlessAdvance.java
new file mode 100644
index 00000000000..69a14bb7d1e
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RelentlessAdvance.java
@@ -0,0 +1,30 @@
+package mage.cards.r;
+
+import mage.abilities.effects.keyword.AmassEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class RelentlessAdvance extends CardImpl {
+
+    public RelentlessAdvance(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{U}");
+
+        // Amass 3. (Put three +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.
+        this.getSpellAbility().addEffect(new AmassEffect(3));
+    }
+
+    private RelentlessAdvance(final RelentlessAdvance card) {
+        super(card);
+    }
+
+    @Override
+    public RelentlessAdvance copy() {
+        return new RelentlessAdvance(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/WarOfTheSpark.java b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
index 88e0c36b150..284c1360387 100644
--- a/Mage.Sets/src/mage/sets/WarOfTheSpark.java
+++ b/Mage.Sets/src/mage/sets/WarOfTheSpark.java
@@ -45,6 +45,7 @@ public final class WarOfTheSpark extends ExpansionSet {
         cards.add(new SetCardInfo("Plains", 251, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Plains", 252, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Ravnica at War", 28, Rarity.RARE, mage.cards.r.RavnicaAtWar.class));
+        cards.add(new SetCardInfo("Relentless Advance", 64, Rarity.COMMON, mage.cards.r.RelentlessAdvance.class));
         cards.add(new SetCardInfo("Swamp", 256, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Swamp", 257, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Swamp", 258, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));