Restructured Mage module

Mage/src/main/java/mage/abilities/condition/common/SpellMasteryCondition.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.constants.CardType;
+import mage.filter.FilterCard;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.CardTypePredicate;
+import mage.game.Game;
+import mage.players.Player;
+
+/**
+ *
+ * @author LevelX2
+ */
+
+public class SpellMasteryCondition implements Condition {
+
+    private static final FilterCard filter = new FilterCard();
+    
+    static {
+        filter.add(Predicates.or(new CardTypePredicate(CardType.INSTANT), new CardTypePredicate(CardType.SORCERY)));
+    }
+    
+    private static SpellMasteryCondition fInstance = null;
+
+    public static SpellMasteryCondition getInstance() {
+        if (fInstance == null) {
+            fInstance = new SpellMasteryCondition();
+        }
+        return fInstance;
+    }
+    
+    private SpellMasteryCondition() {}
+    
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        return player != null && player.getGraveyard().count(filter, game) >= 2;
+    }
+
+    @Override
+    public String toString() {
+        return "there are two or more instant and/or sorcery cards in your graveyard";
+    }
+    
+    
+}