[40K] Implemented Birth of the Imperium

Mage.Sets/src/mage/cards/b/BirthOfTheImperium.java

@@ -0,0 +1,106 @@
+package mage.cards.b;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SagaAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.OpponentsCount;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.SacrificeOpponentsEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SagaChapter;
+import mage.constants.SubType;
+import mage.filter.StaticFilters;
+import mage.game.Controllable;
+import mage.game.Game;
+import mage.game.permanent.token.AstartesWarriorToken;
+
+import java.util.Map;
+import java.util.UUID;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public final class BirthOfTheImperium extends CardImpl {
+
+    public BirthOfTheImperium(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{2}{W}{U}{B}");
+
+        this.subtype.add(SubType.SAGA);
+
+        // (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
+        SagaAbility sagaAbility = new SagaAbility(this);
+
+        // I -- Create a 2/2 white Astartes Warrior creature token with vigilance for each opponent you have.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_I,
+                new CreateTokenEffect(new AstartesWarriorToken(), OpponentsCount.instance)
+                        .setText("create a 2/2 white Astartes Warrior creature " +
+                                "token with vigilance for each opponent you have")
+        );
+
+        // II -- Each opponent sacrifices a creature.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_II,
+                new SacrificeOpponentsEffect(StaticFilters.FILTER_PERMANENT_CREATURE)
+        );
+
+        // III -- Draw two cards for each opponent who controls fewer creatures than you.
+        sagaAbility.addChapterEffect(
+                this, SagaChapter.CHAPTER_III,
+                new DrawCardSourceControllerEffect(BirthOfTheImperiumValue.instance)
+        );
+        this.addAbility(sagaAbility);
+    }
+
+    private BirthOfTheImperium(final BirthOfTheImperium card) {
+        super(card);
+    }
+
+    @Override
+    public BirthOfTheImperium copy() {
+        return new BirthOfTheImperium(this);
+    }
+}
+
+enum BirthOfTheImperiumValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Map<UUID, Integer> map = game
+                .getBattlefield()
+                .getActivePermanents(
+                        StaticFilters.FILTER_PERMANENT_CREATURE,
+                        sourceAbility.getControllerId(), sourceAbility, game
+                ).stream()
+                .map(Controllable::getControllerId)
+                .collect(Collectors.toMap(Function.identity(), x -> 1, Integer::sum));
+        int yourCreatures = map.getOrDefault(sourceAbility.getControllerId(), 0);
+        return yourCreatures > 0 ? game
+                .getOpponents(sourceAbility.getControllerId())
+                .stream().mapToInt(uuid -> map.getOrDefault(uuid, 0))
+                .filter(x -> x < yourCreatures)
+                .sum() : 0;
+    }
+
+    @Override
+    public BirthOfTheImperiumValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "opponent who controls fewer creatures than you";
+    }
+
+    @Override
+    public String toString() {
+        return "1";
+    }
+}

Mage.Sets/src/mage/sets/Warhammer40000.java

@@ -43,6 +43,7 @@ public final class Warhammer40000 extends ExpansionSet {
         cards.add(new SetCardInfo("Beacon of Unrest", 194, Rarity.RARE, mage.cards.b.BeaconOfUnrest.class));
         cards.add(new SetCardInfo("Bile Blight", 195, Rarity.UNCOMMON, mage.cards.b.BileBlight.class));
         cards.add(new SetCardInfo("Biotransference", 30, Rarity.RARE, mage.cards.b.Biotransference.class));
+        cards.add(new SetCardInfo("Birth of the Imperium", 107, Rarity.RARE, mage.cards.b.BirthOfTheImperium.class));
         cards.add(new SetCardInfo("Bituminous Blast", 221, Rarity.UNCOMMON, mage.cards.b.BituminousBlast.class));
         cards.add(new SetCardInfo("Blasphemous Act", 204, Rarity.RARE, mage.cards.b.BlasphemousAct.class));
         cards.add(new SetCardInfo("Blight Grenade", 31, Rarity.RARE, mage.cards.b.BlightGrenade.class));