Added Catalyst Stone.

Mage.Sets/src/mage/cards/c/CatalystStone.java

@@ -0,0 +1,162 @@
+/*
+ *  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.cards.c;
+
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.UUID;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.choices.ChoiceImpl;
+import mage.constants.CardType;
+import mage.constants.CostModificationType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SpellAbilityCastMode;
+import mage.constants.Zone;
+import static mage.filter.predicate.permanent.ControllerControlsIslandPredicate.filter;
+import mage.game.Game;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class CatalystStone extends CardImpl {
+
+    public CatalystStone(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{2}");
+
+        // Flashback costs you pay cost up to {2} less.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new CatalystStoneCostReductionEffect()));
+
+        // Flashback costs your opponents pay cost {2} more.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new CatalystStoneCostRaiseEffect()));
+
+    }
+
+    public CatalystStone(final CatalystStone card) {
+        super(card);
+    }
+
+    @Override
+    public CatalystStone copy() {
+        return new CatalystStone(this);
+    }
+}
+
+class CatalystStoneCostReductionEffect extends CostModificationEffectImpl {
+
+    public CatalystStoneCostReductionEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        this.staticText = "Flashback costs you pay cost up to {2} less";
+    }
+
+    protected CatalystStoneCostReductionEffect(final CatalystStoneCostReductionEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            int generic = abilityToModify.getManaCostsToPay().getMana().getGeneric();
+            if (generic > 0) {
+                ChoiceImpl choice = new ChoiceImpl(false);
+                Set<String> set = new LinkedHashSet<>();
+                for (int i = 0; i <= Math.min(2, generic); i++) {
+                    set.add(String.valueOf(i));
+                }
+                choice.setChoices(set);
+                MageObject mageObject = game.getObject(abilityToModify.getSourceId());
+                choice.setMessage("Reduce cost of " + (mageObject != null ? mageObject.getIdName() : filter.getMessage()));
+                if (controller.choose(Outcome.Benefit, choice, game)) {
+                    generic = Integer.parseInt(choice.getChoice());
+                }
+                CardUtil.reduceCost(abilityToModify, generic);
+            }
+            return true;
+        }
+        return false;
+
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        if (abilityToModify instanceof SpellAbility) {
+            if (abilityToModify.getControllerId().equals(source.getControllerId())) {
+                return SpellAbilityCastMode.FLASHBACK.equals(((SpellAbility) abilityToModify).getSpellAbilityCastMode());
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public CatalystStoneCostReductionEffect copy() {
+        return new CatalystStoneCostReductionEffect(this);
+    }
+}
+
+class CatalystStoneCostRaiseEffect extends CostModificationEffectImpl {
+
+    public CatalystStoneCostRaiseEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.INCREASE_COST);
+        this.staticText = "Flashback costs your opponents pay cost {2} more";
+    }
+
+    protected CatalystStoneCostRaiseEffect(final CatalystStoneCostRaiseEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        CardUtil.increaseCost(abilityToModify, 2);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        if (abilityToModify instanceof SpellAbility) {
+            if (game.getOpponents(source.getControllerId()).contains(abilityToModify.getControllerId())) {
+                return SpellAbilityCastMode.FLASHBACK.equals(((SpellAbility) abilityToModify).getSpellAbilityCastMode());
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public CatalystStoneCostRaiseEffect copy() {
+        return new CatalystStoneCostRaiseEffect(this);
+    }
+}

Mage.Sets/src/mage/sets/Odyssey.java

@@ -100,6 +100,7 @@ public class Odyssey extends ExpansionSet {
         cards.add(new SetCardInfo("Cantivore", 13, Rarity.RARE, mage.cards.c.Cantivore.class));
         cards.add(new SetCardInfo("Careful Study", 70, Rarity.COMMON, mage.cards.c.CarefulStudy.class));
         cards.add(new SetCardInfo("Cartographer", 232, Rarity.COMMON, mage.cards.c.Cartographer.class));
+        cards.add(new SetCardInfo("Catalyst Stone", 297, Rarity.RARE, mage.cards.c.CatalystStone.class));
         cards.add(new SetCardInfo("Caustic Tar", 122, Rarity.UNCOMMON, mage.cards.c.CausticTar.class));
         cards.add(new SetCardInfo("Cease-Fire", 14, Rarity.COMMON, mage.cards.c.CeaseFire.class));
         cards.add(new SetCardInfo("Centaur Garden", 316, Rarity.UNCOMMON, mage.cards.c.CentaurGarden.class));