diff --git a/Mage.Sets/src/mage/cards/s/SecretTunnel.java b/Mage.Sets/src/mage/cards/s/SecretTunnel.java
new file mode 100644
index 00000000000..8b36b7017ba
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/SecretTunnel.java
@@ -0,0 +1,93 @@
+package mage.cards.s;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.dynamicvalue.common.GreatestSharedCreatureTypeCount;
+import mage.abilities.effects.common.combat.CantBeBlockedTargetEffect;
+import mage.abilities.keyword.CantBeBlockedSourceAbility;
+import mage.abilities.mana.ColorlessManaAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class SecretTunnel extends CardImpl {
+
+    public SecretTunnel(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+
+        this.subtype.add(SubType.CAVE);
+
+        // This land can't be blocked.
+        this.addAbility(new CantBeBlockedSourceAbility());
+
+        // {T}: Add {C}.
+        this.addAbility(new ColorlessManaAbility());
+
+        // {4}, {T}: Two target creatures you control that share a creature type can't be blocked this turn.
+        Ability ability = new SimpleActivatedAbility(new CantBeBlockedTargetEffect(), new GenericManaCost(4));
+        ability.addCost(new TapSourceCost());
+        ability.addTarget(new SecretTunnelTarget());
+        this.addAbility(ability);
+    }
+
+    private SecretTunnel(final SecretTunnel card) {
+        super(card);
+    }
+
+    @Override
+    public SecretTunnel copy() {
+        return new SecretTunnel(this);
+    }
+}
+
+class SecretTunnelTarget extends TargetPermanent {
+    private static final FilterPermanent filter
+            = new FilterControlledCreaturePermanent("creatures you control that share a creature type");
+
+    SecretTunnelTarget() {
+        super(2, 2, filter, false);
+    }
+
+    private SecretTunnelTarget(final SecretTunnelTarget target) {
+        super(target);
+    }
+
+    @Override
+    public boolean canTarget(UUID playerId, UUID id, Ability source, Game game) {
+        if (!super.canTarget(playerId, id, source, game)) {
+            return false;
+        }
+        if (getTargets().isEmpty()) {
+            return true;
+        }
+        Permanent targetOne = game.getPermanent(getTargets().get(0));
+        Permanent targetTwo = game.getPermanent(id);
+        if (targetOne == null || targetTwo == null) {
+            return false;
+        }
+        return targetOne.shareCreatureTypes(game, targetTwo);
+    }
+
+    @Override
+    public boolean canChoose(UUID sourceControllerId, Ability source, Game game) {
+        return GreatestSharedCreatureTypeCount.getValue(sourceControllerId, source, game) >= 2;
+    }
+
+    @Override
+    public SecretTunnelTarget copy() {
+        return new SecretTunnelTarget(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
index 043b468eb24..a3fdd03df08 100644
--- a/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
+++ b/Mage.Sets/src/mage/sets/AvatarTheLastAirbender.java
@@ -263,6 +263,8 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Rumble Arena", 277, Rarity.COMMON, mage.cards.r.RumbleArena.class));
         cards.add(new SetCardInfo("Saber-Tooth Moose-Lion", 194, Rarity.COMMON, mage.cards.s.SaberToothMooseLion.class));
         cards.add(new SetCardInfo("Sandbenders' Storm", 34, Rarity.COMMON, mage.cards.s.SandbendersStorm.class));
+        cards.add(new SetCardInfo("Secret Tunnel", 278, Rarity.RARE, mage.cards.s.SecretTunnel.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Secret Tunnel", 392, Rarity.RARE, mage.cards.s.SecretTunnel.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Seismic Sense", 195, Rarity.UNCOMMON, mage.cards.s.SeismicSense.class));
         cards.add(new SetCardInfo("Serpent of the Pass", 70, Rarity.UNCOMMON, mage.cards.s.SerpentOfThePass.class));
         cards.add(new SetCardInfo("Serpent's Pass", 279, Rarity.COMMON, mage.cards.s.SerpentsPass.class));