added Nyxathid and testcase

resources/magic/data/cards.txt

@@ -11308,3 +11308,15 @@ converted=1
 cost={R}
 given_pt=2/-2
 timing=aura
+
+>Nyxathid
+image=http://magiccards.info/scans/en/cfx/49.jpg
+value=3
+rarity=R
+type=Creature
+subtype=Elemental
+color=b
+converted=3
+cost={1}{B}{B}
+pt=7/7
+timing=main

src/magic/card/Nyxathid.java

@@ -0,0 +1,17 @@
+package magic.card;
+
+import magic.model.MagicGame;
+import magic.model.MagicPermanent;
+import magic.model.MagicPowerToughness;
+import magic.model.mstatic.MagicStatic;
+import magic.model.mstatic.MagicLayer;
+
+public class Nyxathid {
+	public static final MagicStatic S = new MagicStatic(MagicLayer.ModPT) {
+		@Override
+		public void getPowerToughness(final MagicGame game,final MagicPermanent permanent,final MagicPowerToughness pt) {
+			final int amount = game.getOpponent(permanent.getCard().getOwner()).getHandSize();
+			pt.add(-amount,-amount);
+		}
+	};
+}

src/magic/test/TestNyxathid.java

@@ -0,0 +1,47 @@
+package magic.test;
+
+import magic.model.MagicGame;
+import magic.model.MagicPlayer;
+import magic.model.MagicPlayerDefinition;
+import magic.model.MagicPlayerProfile;
+import magic.model.MagicTournament;
+import magic.model.phase.MagicMainPhase;
+
+class TestNyxathid extends TestGameBuilder {    
+    
+    public MagicGame getGame() {
+		final MagicTournament tournament=new MagicTournament();
+		tournament.setDifficulty(6);
+		
+		final MagicPlayerProfile profile=new MagicPlayerProfile("bgruw");
+		final MagicPlayerDefinition player1=new MagicPlayerDefinition("Player",false,profile,15);
+		final MagicPlayerDefinition player2=new MagicPlayerDefinition("Computer",true,profile,14);
+		tournament.setPlayers(new MagicPlayerDefinition[]{player1,player2});
+		tournament.setStartPlayer(0);
+		
+		final MagicGame game=tournament.nextGame(true);
+		game.setPhase(MagicMainPhase.getFirstInstance());
+		final MagicPlayer player=game.getPlayer(0);
+		final MagicPlayer opponent=game.getPlayer(1);
+
+        MagicPlayer P = player;
+
+        P.setLife(20);
+        addToLibrary(P, "Mountain", 10);
+        createPermanent(game,P,"Rupture Spire",false,6);
+        createPermanent(game,P,"Nyxathid",false,1);
+	    addToHand(P,"Eager Cadet",1); 
+       
+
+        P = opponent;
+		
+        P.setLife(20);
+        addToLibrary(P, "Mountain", 10);
+        createPermanent(game,P,"Rupture Spire",false,6);
+        createPermanent(game,P,"Eager Cadet",false,1);
+        addToHand(P,"Sift",1);
+	    addToHand(P,"Mountain",3);
+		
+		return game;
+    }
+}