[LTC] Implement Crown of Gondor (#10722)

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

@@ -0,0 +1,79 @@
+package mage.cards.c;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldControlledTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.MonarchIsNotSetCondition;
+import mage.abilities.condition.common.MonarchIsSourceControllerCondition;
+import mage.abilities.costs.CostAdjuster;
+import mage.abilities.decorator.ConditionalInterveningIfTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.BecomesMonarchSourceEffect;
+import mage.abilities.effects.common.continuous.BoostEquippedEffect;
+import mage.abilities.keyword.EquipAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.constants.Zone;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.util.CardUtil;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public final class CrownOfGondor extends CardImpl {
+
+    private final static DynamicValue xValue = new PermanentsOnBattlefieldCount(StaticFilters.FILTER_CONTROLLED_CREATURE);
+
+    public CrownOfGondor(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{3}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.EQUIPMENT);
+
+        // Equipped creature gets +1/+1 for each creature you control.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BoostEquippedEffect(xValue, xValue)));
+
+        // When a legendary creature enters the battlefield under your control, if there is no monarch, you become the monarch.
+        this.addAbility(new ConditionalInterveningIfTriggeredAbility(
+                new EntersBattlefieldControlledTriggeredAbility(
+                        new BecomesMonarchSourceEffect(),
+                        StaticFilters.FILTER_CREATURE_LEGENDARY
+                ),
+                MonarchIsNotSetCondition.instance,
+                "When a legendary creature enters the battlefield under your control, if there is no monarch, you become the monarch."
+        ));
+
+        // Equip {4}. This ability costs {3} less to activate if you're the monarch.
+        EquipAbility equip = new EquipAbility(4, false);
+        equip.setCostReduceText("This ability costs {3} less to activate if you're the monarch");
+        equip.setCostAdjuster(CrownOfGondorAdjuster.instance);
+        this.addAbility(equip);
+    }
+
+    private CrownOfGondor(final CrownOfGondor card) {
+        super(card);
+    }
+
+    @Override
+    public CrownOfGondor copy() {
+        return new CrownOfGondor(this);
+    }
+}
+
+enum CrownOfGondorAdjuster implements CostAdjuster {
+    instance;
+
+    @Override
+    public void adjustCosts(Ability ability, Game game) {
+        if (MonarchIsSourceControllerCondition.instance.apply(game, ability)) {
+            CardUtil.reduceCost(ability, 3);
+        }
+    }
+}

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

@@ -61,6 +61,7 @@ public final class TalesOfMiddleEarthCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Consider", 187, Rarity.COMMON, mage.cards.c.Consider.class));
         cards.add(new SetCardInfo("Corsairs of Umbar", 19, Rarity.RARE, mage.cards.c.CorsairsOfUmbar.class));
         cards.add(new SetCardInfo("Court of Ire", 213, Rarity.RARE, mage.cards.c.CourtOfIre.class));
+        cards.add(new SetCardInfo("Crown of Gondor", 75, Rarity.RARE, mage.cards.c.CrownOfGondor.class));
         cards.add(new SetCardInfo("Crumbling Necropolis", 302, Rarity.UNCOMMON, mage.cards.c.CrumblingNecropolis.class));
         cards.add(new SetCardInfo("Crypt Incursion", 198, Rarity.COMMON, mage.cards.c.CryptIncursion.class));
         cards.add(new SetCardInfo("Cultivate", 236, Rarity.COMMON, mage.cards.c.Cultivate.class));

Mage/src/main/java/mage/abilities/common/EntersBattlefieldControlledTriggeredAbility.java

@@ -45,7 +45,7 @@ public class EntersBattlefieldControlledTriggeredAbility extends EntersBattlefie
         super(zone, effect, filter, optional, setTargetPointer, rule, true);
     }
 
-    public EntersBattlefieldControlledTriggeredAbility(final EntersBattlefieldControlledTriggeredAbility ability) {
+    protected EntersBattlefieldControlledTriggeredAbility(final EntersBattlefieldControlledTriggeredAbility ability) {
         super(ability);
     }
 

Mage/src/main/java/mage/abilities/decorator/ConditionalInterveningIfTriggeredAbility.java

@@ -45,7 +45,7 @@ public class ConditionalInterveningIfTriggeredAbility extends TriggeredAbilityIm
         this.abilityText = text;
     }
 
-    public ConditionalInterveningIfTriggeredAbility(final ConditionalInterveningIfTriggeredAbility triggered) {
+    protected ConditionalInterveningIfTriggeredAbility(final ConditionalInterveningIfTriggeredAbility triggered) {
         super(triggered);
         this.ability = triggered.ability.copy();
         this.condition = triggered.condition;

Mage/src/main/java/mage/abilities/keyword/EquipAbility.java

@@ -45,7 +45,7 @@ public class EquipAbility extends ActivatedAbilityImpl {
         this.showAbilityHint = showAbilityHint;
     }
 
-    public EquipAbility(final EquipAbility ability) {
+    protected EquipAbility(final EquipAbility ability) {
         super(ability);
         this.costReduceText = ability.costReduceText;
         this.showAbilityHint = ability.showAbilityHint;

Mage/src/main/java/mage/abilities/keyword/SuspendAbility.java

@@ -438,7 +438,7 @@ class SuspendBeginningOfUpkeepInterveningIfTriggeredAbility extends ConditionalI
 
     }
 
-    public SuspendBeginningOfUpkeepInterveningIfTriggeredAbility(final SuspendBeginningOfUpkeepInterveningIfTriggeredAbility effect) {
+    private SuspendBeginningOfUpkeepInterveningIfTriggeredAbility(final SuspendBeginningOfUpkeepInterveningIfTriggeredAbility effect) {
         super(effect);
     }