diff --git a/Mage.Sets/src/mage/cards/i/ImperviousGreatwurm.java b/Mage.Sets/src/mage/cards/i/ImperviousGreatwurm.java
new file mode 100644
index 00000000000..bcc6553b6d5
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/i/ImperviousGreatwurm.java
@@ -0,0 +1,42 @@
+package mage.cards.i;
+
+import mage.abilities.keyword.ConvokeAbility;
+import mage.abilities.keyword.IndestructibleAbility;
+import mage.cards.CardImpl;
+import mage.MageInt;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+import java.util.UUID;
+
+/**
+ *
+ * @author Rystan
+ */
+
+public final class ImperviousGreatwurm extends CardImpl {
+
+    public ImperviousGreatwurm(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{7}{G}{G}{G}");
+        this.subtype.add(SubType.WURM);
+
+        this.power = new MageInt(16);
+        this.toughness = new MageInt(16);
+
+        // Convoke
+        this.addAbility(new ConvokeAbility());
+        
+        // Indestructible
+        this.addAbility(IndestructibleAbility.getInstance());
+    }
+
+    public ImperviousGreatwurm(final ImperviousGreatwurm card) {
+        super(card);
+    }
+
+    @Override
+    public ImperviousGreatwurm copy() {
+        return new ImperviousGreatwurm(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/GuildsOfRavnica.java b/Mage.Sets/src/mage/sets/GuildsOfRavnica.java
new file mode 100644
index 00000000000..a543d0a207f
--- /dev/null
+++ b/Mage.Sets/src/mage/sets/GuildsOfRavnica.java
@@ -0,0 +1,26 @@
+package mage.sets;
+
+import mage.cards.ExpansionSet;
+import mage.constants.Rarity;
+import mage.constants.SetType;
+
+public final class GuildsOfRavnica extends ExpansionSet {
+
+    private static final GuildsOfRavnica instance = new GuildsOfRavnica();
+
+    public static GuildsOfRavnica getInstance() {
+        return instance;
+    }
+
+    private GuildsOfRavnica() {
+        super("Guilds of Ravnica", "GRN", ExpansionSet.buildDate(2018, 10, 5), SetType.EXPANSION);
+        this.blockName = "Guilds of Ravnica";
+        this.hasBoosters = true;
+        //this.numBoosterLands = 1;
+        //this.numBoosterCommon = 10;
+        //this.numBoosterUncommon = 3;
+        //this.numBoosterRare = 1;
+        //this.ratioBoosterMythic = 8;
+        cards.add(new SetCardInfo("Impervious Greatwurm", 273, Rarity.MYTHIC, mage.cards.i.ImperviousGreatwurm.class));
+    }
+}