added Howling Mine

resources/magic/data/cards.txt

@@ -5106,6 +5106,15 @@ converted=7
 cost={4}{W/B}{W/B}{W/B}
 timing=enchantment
 
+>Howling Mine
+image=http://magiccards.info/scans/en/cmd/251.jpg
+value=2
+rarity=R
+type=Artifact
+converted=2
+cost={2}
+timing=main
+
 >Seal of Fire
 image=http://magiccards.info/scans/en/di/71.jpg
 value=2

src/magic/card/Howling_Mine.java

@@ -0,0 +1,31 @@
+package magic.card;
+
+import magic.model.MagicGame;
+import magic.model.MagicPermanent;
+import magic.model.MagicPlayer;
+import magic.model.action.MagicDrawAction;
+import magic.model.event.MagicEvent;
+import magic.model.trigger.MagicAtUpkeepTrigger;
+
+public class Howling_Mine {
+	public static final MagicAtUpkeepTrigger T = new MagicAtUpkeepTrigger() {
+		@Override
+		public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent,final MagicPlayer player) {
+			if (!permanent.isTapped()) {
+				return new MagicEvent(
+						permanent,
+						player,
+						new Object[]{player},
+						this,
+						player + " draws a card.");
+			}
+			return null;
+		}
+		
+		@Override
+		public void executeEvent(final MagicGame game,final MagicEvent event,final Object data[],final Object[] choiceResults) {
+			final MagicPlayer player = (MagicPlayer)data[0];
+			game.doAction(new MagicDrawAction(player,1));
+		}
+    };
+}