Added Contamination.

Hopefully not breaking anything.

Mage.Sets/src/mage/sets/urzassaga/Contamination.java

@@ -0,0 +1,118 @@
+/*
+ *  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.urzassaga;
+
+import java.util.UUID;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.SacrificeSourceUnlessPaysEffect;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.TargetController;
+import mage.constants.Zone;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.events.ManaEvent;
+import mage.target.common.TargetControlledCreaturePermanent;
+
+/**
+ *
+ * @author emerald000
+ */
+public class Contamination extends CardImpl {
+
+    public Contamination(UUID ownerId) {
+        super(ownerId, 123, "Contamination", Rarity.RARE, new CardType[]{CardType.ENCHANTMENT}, "{2}{B}");
+        this.expansionSetCode = "USG";
+
+        // At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.
+        this.addAbility(new BeginningOfUpkeepTriggeredAbility(new SacrificeSourceUnlessPaysEffect(new SacrificeTargetCost(new TargetControlledCreaturePermanent(new FilterControlledCreaturePermanent("a creature")))), TargetController.YOU, false));
+
+        // If a land is tapped for mana, it produces {B} instead of any other type and amount.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new ContaminationReplacementEffect()));
+    }
+
+    public Contamination(final Contamination card) {
+        super(card);
+    }
+
+    @Override
+    public Contamination copy() {
+        return new Contamination(this);
+    }
+}
+
+class ContaminationReplacementEffect extends ReplacementEffectImpl {
+
+    ContaminationReplacementEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Neutral);
+        staticText = "If a land is tapped for mana, it produces {B} instead of any other type and amount";
+    }
+
+    ContaminationReplacementEffect(final ContaminationReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ContaminationReplacementEffect copy() {
+        return new ContaminationReplacementEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        ManaEvent manaEvent = (ManaEvent) event;
+        Mana mana = manaEvent.getMana();
+        mana.setToMana(Mana.BlackMana);
+        return false;
+    }
+    
+    @Override    
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == EventType.TAPPED_FOR_MANA;
+    }
+    
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        return true;
+    }
+}

Mage/src/mage/abilities/AbilityImpl.java

@@ -28,21 +28,47 @@
 
 package mage.abilities;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
 import mage.MageObject;
-import mage.abilities.costs.*;
+import mage.Mana;
+import mage.abilities.costs.AdjustingSourceCosts;
+import mage.abilities.costs.AlternativeCost;
+import mage.abilities.costs.AlternativeSourceCosts;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.Costs;
+import mage.abilities.costs.CostsImpl;
+import mage.abilities.costs.OptionalAdditionalSourceCosts;
+import mage.abilities.costs.VariableCost;
+import mage.abilities.costs.common.TapSourceCost;
 import mage.abilities.costs.mana.ManaCost;
 import mage.abilities.costs.mana.ManaCosts;
 import mage.abilities.costs.mana.ManaCostsImpl;
 import mage.abilities.costs.mana.VariableManaCost;
-import mage.abilities.effects.*;
+import mage.abilities.effects.ContinuousEffect;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.Effects;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.PostResolveEffect;
+import mage.abilities.effects.common.BasicManaEffect;
+import mage.abilities.effects.common.DynamicManaEffect;
 import mage.abilities.keyword.FlashbackAbility;
 import mage.abilities.mana.ManaAbility;
 import mage.cards.Card;
 import mage.choices.Choice;
 import mage.choices.Choices;
-import mage.constants.*;
+import mage.constants.AbilityType;
+import mage.constants.AbilityWord;
+import mage.constants.EffectType;
+import mage.constants.Outcome;
+import mage.constants.SpellAbilityType;
+import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.command.Emblem;
+import mage.game.events.GameEvent;
+import mage.game.events.ManaEvent;
+import mage.game.permanent.Permanent;
 import mage.game.permanent.PermanentCard;
 import mage.game.stack.Spell;
 import mage.game.stack.StackAbility;
@@ -51,17 +77,6 @@ import mage.target.Target;
 import mage.target.Targets;
 import org.apache.log4j.Logger;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
-import mage.Mana;
-import mage.abilities.costs.common.TapSourceCost;
-import mage.abilities.effects.common.BasicManaEffect;
-import mage.abilities.effects.common.DynamicManaEffect;
-import mage.game.events.GameEvent;
-import mage.game.events.ManaEvent;
-import mage.game.permanent.Permanent;
-
 /**
  *
  * @author BetaSteward_at_googlemail.com
@@ -360,7 +375,10 @@ public abstract class AbilityImpl implements Ability {
                         mana = ((DynamicManaEffect)effect).getMana(game, this);
                     }
                     if (mana != null) { // if mana == null the event has to be fired in the mana effect
-                        game.fireEvent(new ManaEvent(GameEvent.EventType.TAPPED_FOR_MANA, sourceId, sourceId, controllerId, mana));
+                        ManaEvent event = new ManaEvent(GameEvent.EventType.TAPPED_FOR_MANA, sourceId, sourceId, controllerId, mana);
+                        if (!game.replaceEvent(event)) {
+                            game.fireEvent(event);
+                        }
                     }
                     break;
                 }

Mage/src/mage/abilities/effects/common/ManaEffect.java

@@ -66,7 +66,10 @@ public abstract class ManaEffect extends OneShotEffect {
         if (source.getAbilityType().equals(AbilityType.MANA)) {
             for (Cost cost: source.getCosts()) {
                 if (cost instanceof TapSourceCost) {
-                    game.fireEvent(new ManaEvent(GameEvent.EventType.TAPPED_FOR_MANA, source.getSourceId(), source.getSourceId(), source.getControllerId(), mana));
+                    ManaEvent event = new ManaEvent(GameEvent.EventType.TAPPED_FOR_MANA, source.getSourceId(), source.getSourceId(), source.getControllerId(), mana);
+                    if (!game.replaceEvent(event)) {
+                        game.fireEvent(event);
+                    }
                 }
             }
         }