diff --git a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
index df32df55445..d61264302d0 100644
--- a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
+++ b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
@@ -2365,6 +2365,20 @@ public class AbilityUtils {
             return doXMath(getCardTypesFromList(oppCards), expr, c, ctb);
         }
 
+        //Count$TypesSharedWith [defined]
+        if (sq[0].startsWith("TypesSharedWith")) {
+            Set<CardType.CoreType> thisTypes = Sets.newHashSet(c.getType().getCoreTypes());
+            Set<CardType.CoreType> matches = new HashSet<>();
+            for (Card c1 : AbilityUtils.getDefinedCards(ctb.getHostCard(), l[0].split(" ")[1], ctb)) {
+                for (CardType.CoreType type : Sets.newHashSet(c1.getType().getCoreTypes())) {
+                    if (thisTypes.contains(type)) {
+                        matches.add(type);
+                    }
+                }
+            }
+            return matches.size();
+        }
+
         // Count$TopOfLibraryCMC
         if (sq[0].equals("TopOfLibraryCMC")) {
             int cmc = player.getCardsIn(ZoneType.Library).isEmpty() ? 0 :
diff --git a/forge-gui/res/cardsfolder/upcoming/cemetery_prowler.txt b/forge-gui/res/cardsfolder/upcoming/cemetery_prowler.txt
new file mode 100644
index 00000000000..ec20d5b23e1
--- /dev/null
+++ b/forge-gui/res/cardsfolder/upcoming/cemetery_prowler.txt
@@ -0,0 +1,14 @@
+Name:Cemetery Prowler
+ManaCost:1 G G
+Types:Creature Wolf
+PT:3/4
+K:Vigilance
+T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigExile | TriggerDescription$ When CARDNAME enters the battlefield or attacks, exile a card from a graveyard.
+T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigExile | Secondary$ True | TriggerDescription$ Whenever CARDNAME enters the battlefield or attacks, exile a card from a graveyard.
+SVar:TrigExile:DB$ ChangeZone | Origin$ Graveyard | Destination$ Exile | ChangeType$ Card | ChangeNum$ 1 | SelectPrompt$ Select a card from a graveyard | Mandatory$ True | Hidden$ True | Imprint$ True
+S:Mode$ ReduceCost | ValidCard$ Card | Type$ Spell | Amount$ AffectedX | Activator$ You | Description$ Spells you cast cost {1} less to cast for each card type they share with cards exiled with CARDNAME.
+SVar:AffectedX:Count$TypesSharedWith Imprinted.ExiledWithSource
+T:Mode$ ChangesZone | Origin$ Battlefield | ValidCard$ Card.Self | Destination$ Any | Execute$ DBCleanup | Static$ True
+SVar:DBCleanup:DB$ Cleanup | ClearImprinted$ True
+DeckHints:Ability$Graveyard & Ability$Discard
+Oracle:Vigilance\nWhenever Cemetery Prowler enters the battlefield or attacks, exile a card from a graveyard.\nSpells you cast cost {1} less to cast for each card type they share with cards exiled with Cemetery Prowler.