MOM: Added card "Heliod, the Radiant Dawn" and its abilities and effects (#10038)

* MOM: Added card "Heliod, the Radiant Dawn" and its abilities and effects

* added night card

---------

Co-authored-by: Daniel Eberhard <daniel.h.e@gmx.de>
Co-authored-by: Evan Kranzler <theelk801@gmail.com>

Mage.Sets/src/mage/cards/h/HeliodTheRadiantDawn.java

@@ -0,0 +1,59 @@
+package mage.cards.h;
+
+import mage.MageInt;
+import mage.abilities.common.ActivateAsSorceryActivatedAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.common.ReturnFromGraveyardToHandTargetEffect;
+import mage.abilities.effects.common.TransformSourceEffect;
+import mage.abilities.keyword.TransformAbility;
+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.FilterCard;
+import mage.filter.predicate.Predicates;
+import mage.target.TargetCard;
+
+import java.util.UUID;
+
+public class HeliodTheRadiantDawn extends CardImpl {
+
+    private static final FilterCard filter = new FilterCard("enchantment card that isn't a God");
+
+    static {
+        filter.add(CardType.ENCHANTMENT.getPredicate());
+        filter.add(Predicates.not(SubType.GOD.getPredicate()));
+    }
+
+    public HeliodTheRadiantDawn(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT, CardType.CREATURE}, "{2}{W}{W}");
+        this.addSuperType(SuperType.LEGENDARY);
+        this.addSubType(SubType.GOD);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+        this.secondSideCardClazz = mage.cards.h.HeliodTheWarpedEclipse.class;
+
+        //When Heliod, the Radiant Dawn enters the battlefield, return target enchantment card that isn't a God from
+        //your graveyard to your hand.
+        EntersBattlefieldTriggeredAbility entersBattlefieldTriggeredAbility =
+                new EntersBattlefieldTriggeredAbility(new ReturnFromGraveyardToHandTargetEffect());
+        entersBattlefieldTriggeredAbility.addTarget(new TargetCard(Zone.GRAVEYARD, filter));
+        this.addAbility(entersBattlefieldTriggeredAbility);
+
+        //{3}{U/P}: Transform Heliod, the Radiant Dawn. Activate only as a sorcery.
+        this.addAbility(new TransformAbility());
+        this.addAbility(new ActivateAsSorceryActivatedAbility(new TransformSourceEffect(), new ManaCostsImpl<>("{3}{U/P}")));
+    }
+
+    private HeliodTheRadiantDawn(final HeliodTheRadiantDawn card) {
+        super(card);
+    }
+
+    @Override
+    public HeliodTheRadiantDawn copy() {
+        return new HeliodTheRadiantDawn(this);
+    }
+}

Mage.Sets/src/mage/cards/h/HeliodTheWarpedEclipse.java

@@ -0,0 +1,99 @@
+package mage.cards.h;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.common.continuous.CastAsThoughItHadFlashAllEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.abilities.effects.common.cost.SpellsCostReductionControllerEffect;
+import mage.abilities.keyword.TransformAbility;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+import mage.util.CardUtil;
+import mage.watchers.common.CardsDrawnThisTurnWatcher;
+
+import java.util.Objects;
+import java.util.Optional;
+import java.util.UUID;
+
+public class HeliodTheWarpedEclipse extends CardImpl {
+    public HeliodTheWarpedEclipse(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT, CardType.CREATURE}, "");
+        this.color.setWhite(true);
+        this.color.setBlue(true);
+        this.addSuperType(SuperType.LEGENDARY);
+        this.addSubType(SubType.PHYREXIAN);
+        this.addSubType(SubType.GOD);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(6);
+        this.nightCard = true;
+
+        //You may cast spells as though they had flash.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new CastAsThoughItHadFlashAllEffect(
+                Duration.WhileOnBattlefield, StaticFilters.FILTER_CARD_NON_LAND
+        )));
+
+        //Spells you cast cost {1} less to cast for each card your opponents have drawn this turn.
+        this.addAbility(new SimpleStaticAbility(new HeliodTheWarpedEclipseEffect()));
+    }
+
+    private HeliodTheWarpedEclipse(final HeliodTheWarpedEclipse card) {
+        super(card);
+    }
+
+    @Override
+    public HeliodTheWarpedEclipse copy() {
+        return new HeliodTheWarpedEclipse(this);
+    }
+}
+
+class HeliodTheWarpedEclipseEffect extends CostModificationEffectImpl {
+
+    HeliodTheWarpedEclipseEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        staticText = "spells you cast cost {1} less to cast for each card your opponents have drawn this turn";
+    }
+
+    private HeliodTheWarpedEclipseEffect(final HeliodTheWarpedEclipseEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        CardsDrawnThisTurnWatcher watcher = game.getState().getWatcher(CardsDrawnThisTurnWatcher.class);
+        if (watcher == null) {
+            return false;
+        }
+        int amount = 0;
+        for (UUID playerID : game.getOpponents(source.getControllerId())) {
+            amount = amount + watcher.getCardsDrawnThisTurn(playerID);
+        }
+        if (amount < 1) {
+            return false;
+        }
+        CardUtil.adjustCost((SpellAbility) abilityToModify, amount);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        if (!(abilityToModify instanceof SpellAbility)) {
+            return false;
+        }
+        Card sourceCard = game.getCard(abilityToModify.getSourceId());
+        return sourceCard != null && abilityToModify.isControlledBy(source.getControllerId());
+    }
+
+    @Override
+    public HeliodTheWarpedEclipseEffect copy() {
+        return new HeliodTheWarpedEclipseEffect(this);
+    }
+}

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

@@ -24,6 +24,10 @@ public final class MarchOfTheMachine extends ExpansionSet {
         cards.add(new SetCardInfo("Bloodfell Caves", 267, Rarity.COMMON, mage.cards.b.BloodfellCaves.class));
         cards.add(new SetCardInfo("Blossoming Sands", 268, Rarity.COMMON, mage.cards.b.BlossomingSands.class));
         cards.add(new SetCardInfo("Dismal Backwater", 269, Rarity.COMMON, mage.cards.d.DismalBackwater.class));
+        cards.add(new SetCardInfo("Heliod, the Radiant Dawn", 17, Rarity.RARE, mage.cards.h.HeliodTheRadiantDawn.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Heliod, the Radiant Dawn", 293, Rarity.RARE, mage.cards.h.HeliodTheRadiantDawn.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Heliod, the Warped Eclipse", 17, Rarity.RARE, mage.cards.h.HeliodTheWarpedEclipse.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Heliod, the Warped Eclipse", 293, Rarity.RARE, mage.cards.h.HeliodTheWarpedEclipse.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Fairgrounds Trumpeter", 335, Rarity.COMMON, mage.cards.f.FairgroundsTrumpeter.class));
         cards.add(new SetCardInfo("Forest", 281, Rarity.LAND, mage.cards.basiclands.Forest.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Island", 278, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));