diff --git a/res/cardsfolder/d/duct_crawler.txt b/res/cardsfolder/d/duct_crawler.txt
index eafb15e634b..dfae84eaf1e 100644
--- a/res/cardsfolder/d/duct_crawler.txt
+++ b/res/cardsfolder/d/duct_crawler.txt
@@ -2,6 +2,11 @@ Name:Duct Crawler
 ManaCost:R
 Types:Creature Insect
 PT:1/1
+A:AB$ Pump | Cost$ 1 R | ValidTgts$ Creature | TgtPrompt$ Select target creature that can't block this creature this turn | IsCurse$ True | RememberObjects$ Targeted | SubAbility$ DBPump | StackDescription$ {c:Targeted} can't block CARDNAME this turn. | SpellDescription$ Target creature can't block CARDNAME this turn.
+SVar:DBPump:DB$ Pump | KW$ HIDDEN CantBeBlockedBy Creature.IsRemembered | StackDescription$ None
+T:Mode$ Phase | Phase$ Cleanup | TriggerZones$ Battlefield | Execute$ DBCleanup | Static$ True
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ DBCleanup | Static$ True
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 SVar:RemAIDeck:True
 SVar:Picture:http://www.wizards.com/global/images/magic/general/duct_crawler.jpg
 Oracle:{1}{R}: Target creature can't block Duct Crawler this turn.
diff --git a/res/cardsfolder/s/screeching_griffin.txt b/res/cardsfolder/s/screeching_griffin.txt
index 64fae6fc2ab..9916a1c4843 100644
--- a/res/cardsfolder/s/screeching_griffin.txt
+++ b/res/cardsfolder/s/screeching_griffin.txt
@@ -3,6 +3,11 @@ ManaCost:3 W
 Types:Creature Griffin
 PT:2/2
 K:Flying
+A:AB$ Pump | Cost$ R | ValidTgts$ Creature | TgtPrompt$ Select target creature that can't block this creature this turn | IsCurse$ True | RememberObjects$ Targeted | SubAbility$ DBPump | StackDescription$ {c:Targeted} can't block CARDNAME this turn. | SpellDescription$ Target creature can't block CARDNAME this turn.
+SVar:DBPump:DB$ Pump | KW$ HIDDEN CantBeBlockedBy Creature.IsRemembered | StackDescription$ None
+T:Mode$ Phase | Phase$ Cleanup | TriggerZones$ Battlefield | Execute$ DBCleanup | Static$ True
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ DBCleanup | Static$ True
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 SVar:RemAIDeck:True
 SVar:Picture:http://www.wizards.com/global/images/magic/general/screeching_griffin.jpg
 Oracle:Flying\n{R}: Target creature can't block Screeching Griffin this turn.
diff --git a/res/cardsfolder/s/shrewd_hatchling.txt b/res/cardsfolder/s/shrewd_hatchling.txt
index d687f9fe3f6..2de4d013a60 100644
--- a/res/cardsfolder/s/shrewd_hatchling.txt
+++ b/res/cardsfolder/s/shrewd_hatchling.txt
@@ -3,6 +3,11 @@ ManaCost:3 UR
 Types:Creature Elemental
 PT:6/6
 K:etbCounter:M1M1:4
+A:AB$ Pump | Cost$ UR | ValidTgts$ Creature | TgtPrompt$ Select target creature that can't block this creature this turn | IsCurse$ True | RememberObjects$ Targeted | SubAbility$ DBPump | StackDescription$ {c:Targeted} can't block CARDNAME this turn. | SpellDescription$ Target creature can't block CARDNAME this turn.
+SVar:DBPump:DB$ Pump | KW$ HIDDEN CantBeBlockedBy Creature.IsRemembered | StackDescription$ None
+T:Mode$ Phase | Phase$ Cleanup | TriggerZones$ Battlefield | Execute$ DBCleanup | Static$ True
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ DBCleanup | Static$ True
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 T:Mode$ SpellCast | ValidCard$ Card.Red | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigRemoveCounter | TriggerDescription$ Whenever you cast a red spell, remove a -1/-1 counter from CARDNAME.
 T:Mode$ SpellCast | ValidCard$ Card.Blue | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigRemoveCounter | TriggerDescription$ Whenever you cast a blue spell, remove a -1/-1 counter from CARDNAME.
 SVar:TrigRemoveCounter:AB$ RemoveCounter | Cost$ 0 | Defined$ Self | CounterType$ M1M1 | CounterNum$ 1
diff --git a/res/cardsfolder/s/spin_engine.txt b/res/cardsfolder/s/spin_engine.txt
index 680775e7c34..2bdbb53bc82 100644
--- a/res/cardsfolder/s/spin_engine.txt
+++ b/res/cardsfolder/s/spin_engine.txt
@@ -2,6 +2,11 @@ Name:Spin Engine
 ManaCost:3
 Types:Artifact Creature Construct
 PT:3/1
+A:AB$ Pump | Cost$ R | ValidTgts$ Creature | TgtPrompt$ Select target creature that can't block this creature this turn | IsCurse$ True | RememberObjects$ Targeted | SubAbility$ DBPump | StackDescription$ {c:Targeted} can't block CARDNAME this turn. | SpellDescription$ Target creature can't block CARDNAME this turn.
+SVar:DBPump:DB$ Pump | KW$ HIDDEN CantBeBlockedBy Creature.IsRemembered | StackDescription$ None
+T:Mode$ Phase | Phase$ Cleanup | TriggerZones$ Battlefield | Execute$ DBCleanup | Static$ True
+T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ DBCleanup | Static$ True
+SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 SVar:RemAIDeck:True
 SVar:Picture:http://www.wizards.com/global/images/magic/general/spin_engine.jpg
 Oracle:{R}: Target creature can't block Spin Engine this turn.
diff --git a/src/main/java/forge/card/cardfactory/CardFactoryCreatures.java b/src/main/java/forge/card/cardfactory/CardFactoryCreatures.java
index d395dda03d4..5e2ca066ba2 100644
--- a/src/main/java/forge/card/cardfactory/CardFactoryCreatures.java
+++ b/src/main/java/forge/card/cardfactory/CardFactoryCreatures.java
@@ -608,62 +608,6 @@ public class CardFactoryCreatures {
         card.addSpellAbility(discard);
     }
 
-    private static void getCard_DuctCrawler(final Card card, final String cardName) {
-        final String theCost;
-        if (cardName.equals("Duct Crawler")) {
-            theCost = "1 R";
-        } else if (cardName.equals("Shrewd Hatchling")) {
-            theCost = "UR";
-        } else { // if (cardName.equals("Spin Engine") ||
-                 // cardName.equals("Screeching Griffin")) {
-            theCost = "R";
-        }
-
-        class DuctCrawlerAbility extends AbilityActivated {
-            private static final long serialVersionUID = 7914250202245863157L;
-
-            public DuctCrawlerAbility(final Card ca, final Cost co, Target t) {
-                super(ca, co, t);
-            }
-
-            @Override
-            public AbilityActivated getCopy() {
-                return new DuctCrawlerAbility(getSourceCard(),
-                        getPayCosts(), new Target(getTarget()));
-            }
-
-            @Override
-            public void resolve() {
-                final StringBuilder keywordBuilder = new StringBuilder("HIDDEN CARDNAME can't block ");
-                keywordBuilder.append(this.getSourceCard().toString());
-
-                final StringBuilder abilityBuilder = new StringBuilder("AB$Pump | Cost$ ");
-                abilityBuilder.append(theCost);
-                abilityBuilder.append(" | ValidTgts$ Creature | TgtPrompt$ Select target creature | IsCurse$ True | KW$ ");
-                abilityBuilder.append(keywordBuilder.toString());
-                abilityBuilder.append(" | SpellDescription$ Target creature can't block CARDNAME this turn.");
-                final SpellAbility myAb = AbilityFactory.getAbility(abilityBuilder.toString(), card);
-
-                myAb.getTarget().setTargetChoices(this.getChosenTarget().getTargetChoices());
-                myAb.resolve();
-            }
-
-            @Override
-            public String getStackDescription() {
-                return this.getSourceCard().toString() + " - Target creature can't block "
-                        + this.getSourceCard().getName() + " this turn.";
-            }
-
-            @Override
-            public String getDescription() {
-                return theCost + ": Target creature can't block CARDNAME this turn.";
-            }
-        }
-        final SpellAbility finalAb = new DuctCrawlerAbility(card, new Cost(card, theCost, true), new Target(card,
-                "Select target creature.", "Creature"));
-
-        card.addSpellAbility(finalAb);
-    }
 
 //    // This is a hardcoded card template
 //
@@ -688,9 +632,6 @@ public class CardFactoryCreatures {
             getCard_PhyrexianDreadnought(card, cardName);
         } else if (cardName.equals("Nebuchadnezzar")) {
             getCard_Nebuchadnezzar(card, cardName);
-        } else if (cardName.equals("Duct Crawler") || cardName.equals("Shrewd Hatchling")
-                || cardName.equals("Spin Engine") || cardName.equals("Screeching Griffin")) {
-            getCard_DuctCrawler(card, cardName);
         }
 
         // ***************************************************