[KHM] Implemented Karfell Harbinger

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

@@ -0,0 +1,88 @@
+package mage.cards.k;
+
+import mage.ConditionalMana;
+import mage.MageInt;
+import mage.MageObject;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.costs.Cost;
+import mage.abilities.keyword.ForetellAbility;
+import mage.abilities.mana.ConditionalColoredManaAbility;
+import mage.abilities.mana.builder.ConditionalManaBuilder;
+import mage.abilities.mana.conditional.ManaCondition;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.ManaType;
+import mage.constants.SubType;
+import mage.game.Game;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class KarfellHarbinger extends CardImpl {
+
+    public KarfellHarbinger(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{U}");
+
+        this.subtype.add(SubType.ZOMBIE);
+        this.subtype.add(SubType.WIZARD);
+        this.power = new MageInt(1);
+        this.toughness = new MageInt(3);
+
+        // {T}: Add {U}. Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.
+        this.addAbility(new ConditionalColoredManaAbility(new Mana(ManaType.BLUE, 1), new KarfellHarbingerManaBuilder()));
+    }
+
+    private KarfellHarbinger(final KarfellHarbinger card) {
+        super(card);
+    }
+
+    @Override
+    public KarfellHarbinger copy() {
+        return new KarfellHarbinger(this);
+    }
+}
+
+class KarfellHarbingerManaBuilder extends ConditionalManaBuilder {
+
+    @Override
+    public ConditionalMana build(Object... options) {
+        return new KarfellHarbingerConditionalMana(this.mana);
+    }
+
+    @Override
+    public String getRule() {
+        return "Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.";
+    }
+}
+
+class KarfellHarbingerConditionalMana extends ConditionalMana {
+
+    KarfellHarbingerConditionalMana(Mana mana) {
+        super(mana);
+        staticText = "Spend this mana only to foretell a card from your hand or cast an instant or sorcery spell.";
+        addCondition(new KarfellHarbingerManaCondition());
+    }
+}
+
+class KarfellHarbingerManaCondition extends ManaCondition implements Condition {
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        if (source instanceof SpellAbility) {
+            MageObject object = game.getObject(source.getSourceId());
+            return object != null && object.isInstantOrSorcery();
+        }
+        return source instanceof ForetellAbility;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, UUID originalId, Cost costsToPay) {
+        return apply(game, source);
+    }
+}

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

@@ -178,6 +178,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Jaspera Sentinel", 178, Rarity.COMMON, mage.cards.j.JasperaSentinel.class));
         cards.add(new SetCardInfo("Jorn, God of Winter", 179, Rarity.RARE, mage.cards.j.JornGodOfWinter.class));
         cards.add(new SetCardInfo("Kardur's Vicious Return", 217, Rarity.UNCOMMON, mage.cards.k.KardursViciousReturn.class));
+        cards.add(new SetCardInfo("Karfell Harbinger", 65, Rarity.COMMON, mage.cards.k.KarfellHarbinger.class));
         cards.add(new SetCardInfo("Karfell Kennel-Master", 101, Rarity.COMMON, mage.cards.k.KarfellKennelMaster.class));
         cards.add(new SetCardInfo("Kaya the Inexorable", 218, Rarity.MYTHIC, mage.cards.k.KayaTheInexorable.class));
         cards.add(new SetCardInfo("Kaya's Onslaught", 18, Rarity.UNCOMMON, mage.cards.k.KayasOnslaught.class));

Mage.Tests/src/test/java/org/mage/test/cards/single/khm/KarfellHarbingerTest.java

@@ -0,0 +1,56 @@
+package org.mage.test.cards.single.khm;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author TheElk801
+ */
+public class KarfellHarbingerTest extends CardTestPlayerBase {
+
+    @Test
+    public void testForetellMana() {
+        addCard(Zone.BATTLEFIELD, playerA, "Island", 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Karfell Harbinger");
+        addCard(Zone.HAND, playerA, "Augury Raven");
+
+        activateAbility(1, PhaseStep.POSTCOMBAT_MAIN, playerA, "{2}: Foretell");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertHandCount(playerA, "Augury Raven", 0);
+    }
+
+    @Test
+    public void testSpellMana() {
+        addCard(Zone.BATTLEFIELD, playerA, "Karfell Harbinger");
+        addCard(Zone.HAND, playerA, "Obsessive Search");
+
+        castSpell(1, PhaseStep.POSTCOMBAT_MAIN, playerA, "Obsessive Search");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertGraveyardCount(playerA, "Obsessive Search", 1);
+    }
+
+    @Test
+    public void testOtherMana() {
+        addCard(Zone.BATTLEFIELD, playerA, "Karfell Harbinger");
+        addCard(Zone.HAND, playerA, "Flying Men");
+
+        castSpell(1, PhaseStep.POSTCOMBAT_MAIN, playerA, "Flying Men");
+
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+
+        assertHandCount(playerA, "Flying Men", 1);
+    }
+}