[MOM] Implement Knight-Errant of Eos

Mage.Sets/src/mage/cards/k/KnightErrantOfEos.java

@@ -0,0 +1,110 @@
+package mage.cards.k;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.dynamicvalue.common.ConvokedSourceCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.keyword.ConvokeAbility;
+import mage.cards.*;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.target.common.TargetCardInLibrary;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KnightErrantOfEos extends CardImpl {
+
+    public KnightErrantOfEos(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{W}");
+
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.KNIGHT);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(4);
+
+        // Convoke
+        this.addAbility(new ConvokeAbility());
+
+        // When Knight-Errant of Eos enters the battlefield, look at the top six cards of your library. You may reveal up to two creature cards with mana value X or less from among them, where X is the number of creatures that convoked Knight-Errant of Eos. Put the revealed cards into your hand, then shuffle.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new KnightErrantOfEosEffect()));
+    }
+
+    private KnightErrantOfEos(final KnightErrantOfEos card) {
+        super(card);
+    }
+
+    @Override
+    public KnightErrantOfEos copy() {
+        return new KnightErrantOfEos(this);
+    }
+}
+
+class KnightErrantOfEosEffect extends OneShotEffect {
+
+    enum KnightErrantOfEosPredicate implements ObjectSourcePlayerPredicate<Card> {
+        instance;
+
+        @Override
+        public boolean apply(ObjectSourcePlayer<Card> input, Game game) {
+            return input
+                    .getObject()
+                    .getManaValue()
+                    <= ConvokedSourceCount
+                    .PERMANENT
+                    .calculate(game, input.getSource(), null);
+        }
+    }
+
+    private static final FilterCard filter = new FilterCreatureCard(
+            "creature card with mana value less than or equal to the number of creatures that convoked this"
+    );
+
+    static {
+        filter.add(KnightErrantOfEosPredicate.instance);
+    }
+
+    KnightErrantOfEosEffect() {
+        super(Outcome.Benefit);
+        staticText = "look at the top six cards of your library. You may reveal up to two creature cards " +
+                "with mana value X or less from among them, where X is the number of creatures that convoked {this}. " +
+                "Put the revealed cards into your hand, then shuffle";
+    }
+
+    private KnightErrantOfEosEffect(final KnightErrantOfEosEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public KnightErrantOfEosEffect copy() {
+        return new KnightErrantOfEosEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Cards cards = new CardsImpl(player.getLibrary().getTopCards(game, 6));
+        TargetCard target = new TargetCardInLibrary(0, 2, filter);
+        player.choose(Outcome.DrawCard, cards, target, game);
+        Cards toHand = new CardsImpl(target.getTargets());
+        player.revealCards(source, toHand, game);
+        player.moveCards(toHand, Zone.HAND, source, game);
+        player.shuffleLibrary(source, game);
+        return true;
+    }
+}

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

@@ -134,6 +134,7 @@ public final class MarchOfTheMachine extends ExpansionSet {
         cards.add(new SetCardInfo("Kitesail", 261, Rarity.COMMON, mage.cards.k.Kitesail.class));
         cards.add(new SetCardInfo("Kithkin Billyrider", 24, Rarity.COMMON, mage.cards.k.KithkinBillyrider.class));
         cards.add(new SetCardInfo("Knight of the New Coalition", 25, Rarity.COMMON, mage.cards.k.KnightOfTheNewCoalition.class));
+        cards.add(new SetCardInfo("Knight-Errant of Eos", 26, Rarity.RARE, mage.cards.k.KnightErrantOfEos.class));
         cards.add(new SetCardInfo("Kor Halberd", 27, Rarity.COMMON, mage.cards.k.KorHalberd.class));
         cards.add(new SetCardInfo("Kroxa and Kunoros", 245, Rarity.MYTHIC, mage.cards.k.KroxaAndKunoros.class));
         cards.add(new SetCardInfo("Lithomantic Barrage", 152, Rarity.UNCOMMON, mage.cards.l.LithomanticBarrage.class));