Merge pull request #2404 from Eirkei/ElvishGuidanceImplemented

Elvish Guidance Implemented

Mage.Sets/src/mage/sets/onslaught/ElvishGuidance.java

@@ -0,0 +1,119 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.sets.onslaught;
+
+import java.util.UUID;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.AttachEffect;
+import mage.abilities.effects.common.DynamicManaEffect;
+import mage.abilities.keyword.EnchantAbility;
+import mage.abilities.mana.TriggeredManaAbility;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetLandPermanent;
+
+/**
+ *
+ * @author Eirkei
+ */
+public class ElvishGuidance extends CardImpl {
+
+    public ElvishGuidance(UUID ownerId) {
+        super(ownerId, 255, "Elvish Guidance", Rarity.COMMON, new CardType[]{CardType.ENCHANTMENT}, "{2}{G}");
+        this.expansionSetCode = "ONS";
+        this.subtype.add("Aura");
+
+        // Enchant land
+         TargetPermanent auraTarget = new TargetLandPermanent();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
+        Ability ability = new EnchantAbility(auraTarget.getTargetName());
+        this.addAbility(ability);
+        
+        // Whenever enchanted land is tapped for mana, its controller adds {G} to his or her mana pool for each Elf on the battlefield.
+        this.addAbility(new ElvishGuidanceTriggeredAbility());
+    }
+
+    public ElvishGuidance(final ElvishGuidance card) {
+        super(card);
+    }
+
+    @Override
+    public ElvishGuidance copy() {
+        return new ElvishGuidance(this);
+    }
+}
+
+class ElvishGuidanceTriggeredAbility extends TriggeredManaAbility {
+
+    private static final FilterCreaturePermanent elvesFilter = new FilterCreaturePermanent();
+    
+    static {
+        elvesFilter.add(new SubtypePredicate("Elf"));
+    }
+   
+    public ElvishGuidanceTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new DynamicManaEffect(Mana.GreenMana(1), new PermanentsOnBattlefieldCount(elvesFilter)));
+    }
+
+    public ElvishGuidanceTriggeredAbility(final ElvishGuidanceTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public ElvishGuidanceTriggeredAbility copy() {
+        return new ElvishGuidanceTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.TAPPED_FOR_MANA;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Permanent enchantment = game.getPermanent(this.getSourceId());
+        return enchantment != null && event.getSourceId().equals(enchantment.getAttachedTo());
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever enchanted land is tapped for mana, its controller adds {G} to his or her mana pool for each Elf on the battlefield";
+    }
+}