diff --git a/Mage.Sets/src/mage/cards/s/SerpentOfThePass.java b/Mage.Sets/src/mage/cards/s/SerpentOfThePass.java
new file mode 100644
index 00000000000..a868ebce450
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SerpentOfThePass.java
@@ -0,0 +1,71 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.condition.common.CardsInControllerGraveyardCondition;
+import mage.abilities.decorator.ConditionalAsThoughEffect;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.CardsInControllerGraveyardCount;
+import mage.abilities.effects.common.continuous.CastAsThoughItHadFlashSourceEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionForEachSourceEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterCard;
+import mage.filter.predicate.Predicates;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SerpentOfThePass extends CardImpl {
+
+    private static final Condition condition = new CardsInControllerGraveyardCondition(3, new FilterCard(SubType.LESSON));
+    private static final Hint hint = new ValueHint(
+            "Lesson cards in your graveyard", new CardsInControllerGraveyardCount(new FilterCard(SubType.LESSON))
+    );
+    private static final FilterCard filter = new FilterCard("noncreature, nonland card");
+
+    static {
+        filter.add(Predicates.not(CardType.CREATURE.getPredicate()));
+        filter.add(Predicates.not(CardType.LAND.getPredicate()));
+    }
+
+    private static final DynamicValue xValue = new CardsInControllerGraveyardCount(filter);
+    private static final Hint hint2 = new ValueHint("Noncreature, nonland cards in your graveyard", xValue);
+
+    public SerpentOfThePass(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{U}{U}");
+
+        this.subtype.add(SubType.SERPENT);
+        this.power = new MageInt(6);
+        this.toughness = new MageInt(5);
+
+        // If there are three or more Lesson cards in your graveyard, you may cast this spell as though it had flash.
+        this.addAbility(new SimpleStaticAbility(Zone.ALL, new ConditionalAsThoughEffect(
+                new CastAsThoughItHadFlashSourceEffect(Duration.EndOfGame), condition
+        ).setText("if there are three or more Lesson cards in your graveyard, " +
+                "you may cast this spell as though it had flash.")).addHint(hint));
+
+        // This spell costs {1} less to cast for each noncreature, nonland card in your graveyard.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL, new SpellCostReductionForEachSourceEffect(1, xValue)
+        ).setRuleAtTheTop(true).addHint(hint2));
+    }
+
+    private SerpentOfThePass(final SerpentOfThePass card) {
+        super(card);
+    }
+
+    @Override
+    public SerpentOfThePass copy() {
+        return new SerpentOfThePass(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 0741808815e..85f484eb4c1 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -104,6 +104,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Rough Rhino Cavalry", 152, Rarity.COMMON, mage.cards.r.RoughRhinoCavalry.class));
         cards.add(new SetCardInfo("Rowdy Snowballers", 68, Rarity.COMMON, mage.cards.r.RowdySnowballers.class));
         cards.add(new SetCardInfo("Saber-Tooth Moose-Lion", 194, Rarity.COMMON, mage.cards.s.SaberToothMooseLion.class));
+        cards.add(new SetCardInfo("Serpent of the Pass", 70, Rarity.UNCOMMON, mage.cards.s.SerpentOfThePass.class));
         cards.add(new SetCardInfo("Sokka's Haiku", 71, Rarity.UNCOMMON, mage.cards.s.SokkasHaiku.class));
         cards.add(new SetCardInfo("Sokka, Bold Boomeranger", 240, Rarity.RARE, mage.cards.s.SokkaBoldBoomeranger.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Sokka, Bold Boomeranger", 383, Rarity.RARE, mage.cards.s.SokkaBoldBoomeranger.class, NON_FULL_USE_VARIOUS));