1) Moved existing Dredge code from Input_Draw.java to the actual drawing of the card in GameAction.java so that drawing cards from things like Bazaar of Baghdad will trigger dredge. It seems to be working, but someone more familiar with the mechanic should test. This currently only works for the human. AI will probably need to dredge at random, say 50% of the time, so it doesn't mill itself...

1a) I didn't add it, but Dredge is a keyword of the form "Dredge:2"
2) added Greater Mossdog (from Ravnica: City of Guilds) using Dredge - requested by tchiseen

res/card-pictures.txt

@@ -38,6 +38,7 @@ snow_covered_mountain.jpg        http://www.wizards.com/global/images/magic/gene
 snow_covered_mountain1.jpg       http://www.wizards.com/global/images/magic/general/snow_covered_mountain.jpg
 snow_covered_mountain2.jpg       http://www.magickartenmarkt.de/img/cards/Ice_Age/snow_covered_mountain.jpg
 snow_covered_mountain3.jpg       http://www.magickartenmarkt.de/img/cards/Ice_Age/snow_covered_mountain.jpg
+greater_mossdog.jpg				http://www.wizards.com/global/images/magic/general/greater_mossdog.jpg
 reanimate.jpg					http://www.wizards.com/global/images/magic/general/reanimate.jpg
 sound_the_call.jpg		http://www.wizards.com/global/images/magic/general/sound_the_call.jpg
 mana_vault.jpg					http://www.wizards.com/global/images/magic/general/mana_vault.jpg

res/cards.txt

@@ -1,3 +1,10 @@
+Greater Mossdog
+3 G
+Creature Plant Hound
+no text
+3/3
+Dredge 3
+
 Reanimate
 B
 Sorcery

src/forge/GameAction.java

@@ -833,7 +833,34 @@ public class GameAction {
         PlayerZone library = AllZone.getZone(Constant.Zone.Library, player);
         PlayerZone hand = AllZone.getZone(Constant.Zone.Hand, player);
         
-        if(library.size() != 0) {
+        if(0 < getDredge().size()) {
+            String choices[] = {"Yes", "No"};
+            Object o = AllZone.Display.getChoice("Do you want to dredge?", choices);
+            if(o.equals("Yes")) {
+                Card c = (Card) AllZone.Display.getChoice("Select card to dredge", getDredge().toArray());
+                
+                //might have to make this more sophisticated
+                //dredge library, put card in hand
+                AllZone.Human_Hand.add(c);
+                AllZone.Human_Graveyard.remove(c);
+                
+                for(int i = 0; i < getDredgeNumber(c); i++) {
+                    Card c2 = AllZone.Human_Library.get(0);
+                    AllZone.Human_Library.remove(0);
+                    AllZone.Human_Graveyard.add(c2);
+                }
+            }
+            else {
+            	doDraw(player, library, hand);
+            }
+        }//if(0 < getDredge().size())
+        else {
+        	doDraw(player, library, hand);
+        }
+    }
+    
+    private void doDraw(String player, PlayerZone library, PlayerZone hand) {
+    	if(library.size() != 0) {
             Card c = library.get(0);
             library.remove(0);
             hand.add(c);
@@ -854,6 +881,31 @@ public class GameAction {
         }
     }
     
+    private ArrayList<Card> getDredge() {
+        ArrayList<Card> dredge = new ArrayList<Card>();
+        Card c[] = AllZone.Human_Graveyard.getCards();
+        
+        for(int outer = 0; outer < c.length; outer++) {
+            ArrayList<String> a = c[outer].getKeyword();
+            for(int i = 0; i < a.size(); i++)
+                if(a.get(i).toString().startsWith("Dredge")) {
+                    if(AllZone.Human_Library.size() >= getDredgeNumber(c[outer])) dredge.add(c[outer]);
+                }
+        }
+        return dredge;
+    }//hasDredge()
+    
+    private int getDredgeNumber(Card c) {
+        ArrayList<String> a = c.getKeyword();
+        for(int i = 0; i < a.size(); i++)
+            if(a.get(i).toString().startsWith("Dredge")) {
+                String s = a.get(i).toString();
+                return Integer.parseInt("" + s.charAt(s.length() - 1));
+            }
+        
+        throw new RuntimeException("Input_Draw : getDredgeNumber() card doesn't have dredge - " + c.getName());
+    }//getDredgeNumber()
+    
     //is this card a permanent that is in play?
     public boolean isCardInPlay(Card c) {
         return PlayerZoneUtil.isCardInZone(AllZone.Computer_Play, c)

src/forge/Input_Draw.java

@@ -2,9 +2,6 @@
 package forge;
 
 
-import java.util.ArrayList;
-
-
 public class Input_Draw extends Input {
     private static final long serialVersionUID = -2341125041806280507L;
     
@@ -13,7 +10,6 @@ public class Input_Draw extends Input {
         if(AllZone.Phase.getActivePlayer().equals(Constant.Player.Computer)) {
             AllZone.GameAction.drawCard(Constant.Player.Computer);
             
-            //AllZone.Phase.nextPhase();
             //for debugging: System.out.println("need to nextPhase(from Input_Draw on computer's draw) = true");
             AllZone.Phase.setNeedToNextPhase(true);
             return;
@@ -55,30 +51,9 @@ public class Input_Draw extends Input {
             	}
             }
             
-            if(0 < getDredge().size()) {
-                String choices[] = {"Yes", "No"};
-                Object o = AllZone.Display.getChoice("Do you want to dredge?", choices);
-                if(o.equals("Yes")) {
-                    drawCard = false;
-                    Card c = (Card) AllZone.Display.getChoice("Select card to dredge", getDredge().toArray());
-                    
-                    //might have to make this more sophisticated
-                    //dredge library, put card in hand
-                    AllZone.Human_Hand.add(c);
-                    AllZone.Human_Graveyard.remove(c);
-                    
-                    for(int i = 0; i < getDredgeNumber(c); i++) {
-                        Card c2 = AllZone.Human_Library.get(0);
-                        AllZone.Human_Library.remove(0);
-                        AllZone.Human_Graveyard.add(c2);
-                    }
-                }
-            }//if(0 < getDredge().size())
-            
             if(drawCard && AllZone.Phase.getTurn() > 1) AllZone.GameAction.drawCard(Constant.Player.Human);
             
             if(AllZone.Phase.getPhase().equals(Constant.Phase.Draw)) {
-                //Input_Main.canPlayLand = true;
                 AllZone.GameInfo.setHumanCanPlayNumberOfLands(CardFactoryUtil.getCanPlayNumberOfLands(Constant.Player.Human));
                 AllZone.GameInfo.setHumanPlayedFirstLandThisTurn(false);
                 
@@ -88,29 +63,4 @@ public class Input_Draw extends Input {
             } else stop();
         }
     } //end necro check
-    
-    public ArrayList<Card> getDredge() {
-        ArrayList<Card> dredge = new ArrayList<Card>();
-        Card c[] = AllZone.Human_Graveyard.getCards();
-        
-        for(int outer = 0; outer < c.length; outer++) {
-            ArrayList<String> a = c[outer].getKeyword();
-            for(int i = 0; i < a.size(); i++)
-                if(a.get(i).toString().startsWith("Dredge")) {
-                    if(AllZone.Human_Library.size() >= getDredgeNumber(c[outer])) dredge.add(c[outer]);
-                }
-        }
-        return dredge;
-    }//hasDredge()
-    
-    public int getDredgeNumber(Card c) {
-        ArrayList<String> a = c.getKeyword();
-        for(int i = 0; i < a.size(); i++)
-            if(a.get(i).toString().startsWith("Dredge")) {
-                String s = a.get(i).toString();
-                return Integer.parseInt("" + s.charAt(s.length() - 1));
-            }
-        
-        throw new RuntimeException("Input_Draw : getDredgeNumber() card doesn't have dredge - " + c.getName());
-    }//getDredgeNumber()
 }