1) add keyword: CARDNAME can't be blocked except by black creatures.

2) added Zulaport Enforcer using this keyword

res/cards.txt

@@ -1,3 +1,11 @@
+Zulaport Enforcer
+B
+Creature Human Warrior
+LEVEL 1-2 3/3 LEVEL 3+ 5/5 CARDNAME can't be blocked except by black creatures.
+1/1
+Level up:4
+maxLevel:3
+
 Melancholy
 2 B
 Enchantment Aura

src/forge/CombatUtil.java

@@ -217,6 +217,10 @@ public class CombatUtil {
             if(!CardUtil.getColors(blocker).contains(Constant.Color.Blue)) return false;
         }
         
+        if(attacker.getKeyword().contains("CARDNAME can't be blocked except by black creatures.")) {
+        	if(!CardUtil.getColors(blocker).contains(Constant.Color.Black))return false; 
+        }
+        
 //      if(attacker.getName().equals("Goldmeadow Dodger")) return blocker.getNetAttack() < 4;
         
 //      if(attacker.getName().equals("Juggernaut") && blocker.getType().contains("Wall")) return false;

src/forge/GameActionUtil.java

@@ -10454,6 +10454,36 @@ public class GameActionUtil {
 		}
 	};
 	
+	/*
+	 * Level up 4
+	 * LEVEL 1-2 3/3
+	 * LEVEL 3+ 5/5 CARDNAME can't be blocked except by black creatures.
+	 */
+	public static Command Zulaport_Enforcer  = new Command() {
+		private static final long serialVersionUID = -679141054963080569L;
+
+		public void execute(){
+			CardList list = AllZoneUtil.getCardsInPlay("Zulaport Enforcer");
+
+			for (Card c:list) {
+				int lcs = c.getCounters(Counters.LEVEL);
+				if ( lcs < 1) {
+					c.setBaseAttack(1);
+					c.setBaseDefense(1);
+				}
+				else if ( lcs >=1 && lcs < 3 ) {  //levels 1-2
+					c.setBaseAttack(3);
+					c.setBaseDefense(3);
+				}
+				else {
+					c.setBaseAttack(5);
+					c.setBaseDefense(5);
+					c.addNonStackingIntrinsicKeyword("CARDNAME can't be blocked except by black creatures.");
+				}
+			}
+		}
+	};
+	
 	public static Command Student_of_Warfare 		  = new Command() {
 		private static final long serialVersionUID = 2627513737024865169L;
 
@@ -15990,6 +16020,7 @@ public class GameActionUtil {
 		commands.put("Hada_Spy_Patrol", Hada_Spy_Patrol);
 		commands.put("Halimar_Wavewatch", Halimar_Wavewatch);
 		commands.put("Nirkana_Cutthroat", Nirkana_Cutthroat);
+		commands.put("Zulaport_Enforcer", Zulaport_Enforcer);
 		commands.put("Soulsurge_Elemental", Soulsurge_Elemental);
 		commands.put("Champions_Drake", Champions_Drake);
 		

src/forge/StaticEffects.java

@@ -65,6 +65,7 @@ public class StaticEffects
 		cardToEffectsList.put("Hada Spy Patrol", new String[] {"Hada_Spy_Patrol"});
 		cardToEffectsList.put("Halimar Wavewatch", new String[] {"Halimar_Wavewatch"});
 		cardToEffectsList.put("Nirkana Cutthroat", new String[] {"Nirkana_Cutthroat"});
+		cardToEffectsList.put("Zulaport Enforcer", new String[] {"Zulaport_Enforcer"});
 		
 		cardToEffectsList.put("Champion's Drake", new String[] {"Champions_Drake"});
 		cardToEffectsList.put("Soulsurge Elemental", new String[] {"Soulsurge_Elemental"});