[LTR] Implement Last March of the Ents

Mage.Sets/src/mage/cards/l/LastMarchOfTheEnts.java

@@ -0,0 +1,77 @@
+package mage.cards.l;
+
+import mage.abilities.Ability;
+import mage.abilities.common.CantBeCounteredSourceAbility;
+import mage.abilities.dynamicvalue.common.GreatestToughnessAmongControlledCreaturesValue;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.CardsImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.common.TargetCardInHand;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LastMarchOfTheEnts extends CardImpl {
+
+    public LastMarchOfTheEnts(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{6}{G}{G}");
+
+        // This spell can't be countered.
+        this.addAbility(new CantBeCounteredSourceAbility());
+
+        // Draw cards equal to the greatest toughness among creatures you control, then put any number of creature cards from your hand onto the battlefield.
+        this.getSpellAbility().addEffect(new DrawCardSourceControllerEffect(
+                GreatestToughnessAmongControlledCreaturesValue.instance
+        ).setText("draw cards equal to the greatest toughness among creatures you control"));
+        this.getSpellAbility().addEffect(new LastMarchOfTheEntsEffect());
+    }
+
+    private LastMarchOfTheEnts(final LastMarchOfTheEnts card) {
+        super(card);
+    }
+
+    @Override
+    public LastMarchOfTheEnts copy() {
+        return new LastMarchOfTheEnts(this);
+    }
+}
+
+class LastMarchOfTheEntsEffect extends OneShotEffect {
+
+    LastMarchOfTheEntsEffect() {
+        super(Outcome.Benefit);
+        staticText = ", then put any number of creature cards from your hand onto the battlefield";
+    }
+
+    private LastMarchOfTheEntsEffect(final LastMarchOfTheEntsEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public LastMarchOfTheEntsEffect copy() {
+        return new LastMarchOfTheEntsEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        TargetCard target = new TargetCardInHand(0, Integer.MAX_VALUE, StaticFilters.FILTER_CARD_CREATURES);
+        player.choose(outcome, player.getHand(), target, source, game);
+        player.moveCards(new CardsImpl(target.getTargets()), Zone.BATTLEFIELD, source, game);
+        return true;
+    }
+}

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

@@ -60,6 +60,7 @@ public final class TheLordOfTheRingsTalesOfMiddleEarth extends ExpansionSet {
         cards.add(new SetCardInfo("Island", 264, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Knight of the Keep", 291, Rarity.COMMON, mage.cards.k.KnightOfTheKeep.class));
         cards.add(new SetCardInfo("Knights of Dol Amroth", 59, Rarity.COMMON, mage.cards.k.KnightsOfDolAmroth.class));
+        cards.add(new SetCardInfo("Last March of the Ents", 172, Rarity.MYTHIC, mage.cards.l.LastMarchOfTheEnts.class));
         cards.add(new SetCardInfo("Lobelia Sackville-Baggins", 93, Rarity.RARE, mage.cards.l.LobeliaSackvilleBaggins.class));
         cards.add(new SetCardInfo("Long List of the Ents", 174, Rarity.UNCOMMON, mage.cards.l.LongListOfTheEnts.class));
         cards.add(new SetCardInfo("Lotho, Corrupt Shirriff", 213, Rarity.RARE, mage.cards.l.LothoCorruptShirriff.class));

Mage/src/main/java/mage/abilities/dynamicvalue/common/GreatestToughnessAmongControlledCreaturesValue.java

@@ -1,12 +1,13 @@
 
 package mage.abilities.dynamicvalue.common;
 
+import mage.MageInt;
+import mage.MageObject;
 import mage.abilities.Ability;
 import mage.abilities.dynamicvalue.DynamicValue;
 import mage.abilities.effects.Effect;
 import mage.filter.StaticFilters;
 import mage.game.Game;
-import mage.game.permanent.Permanent;
 
 /**
  * @author TheElk801
@@ -16,13 +17,17 @@ public enum GreatestToughnessAmongControlledCreaturesValue implements DynamicVal
 
     @Override
     public int calculate(Game game, Ability sourceAbility, Effect effect) {
-        int amount = 0;
+        return game
-        for (Permanent p : game.getBattlefield().getActivePermanents(
+                .getBattlefield()
-                StaticFilters.FILTER_CONTROLLED_CREATURE, sourceAbility.getControllerId(), game
+                .getActivePermanents(
-        )) {
+                        StaticFilters.FILTER_CONTROLLED_CREATURE,
-            amount = Math.max(p.getToughness().getValue(), amount);
+                        sourceAbility.getControllerId(), game
-        }
+                )
-        return amount;
+                .stream()
+                .map(MageObject::getToughness)
+                .mapToInt(MageInt::getValue)
+                .max()
+                .orElse(0);
     }
 
     @Override