[TDM] Implement Dragonfire Blade (#13522)

* [TDM] Implement Dragonfire Blade

Mage.Sets/src/mage/cards/d/DragonfireBlade.java

@@ -0,0 +1,83 @@
+package mage.cards.d;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.CostAdjuster;
+import mage.abilities.effects.common.continuous.BoostEquippedEffect;
+import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
+import mage.abilities.keyword.EquipAbility;
+import mage.abilities.keyword.HexproofFromMonocoloredAbility;
+import mage.abilities.mana.ManaOptions;
+import mage.constants.*;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+/**
+ *
+ * @author Jmlundeen
+ */
+public final class DragonfireBlade extends CardImpl {
+
+    public DragonfireBlade(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{1}");
+        
+        this.subtype.add(SubType.EQUIPMENT);
+
+        // Equipped creature gets +2/+2 and has hexproof from monocolored.
+        Ability ability = new SimpleStaticAbility(new BoostEquippedEffect(2, 2));
+        ability.addEffect(new GainAbilityAttachedEffect(HexproofFromMonocoloredAbility.getInstance(), AttachmentType.EQUIPMENT)
+                .setText("and has hexproof from monocolored"));
+        this.addAbility(ability);
+
+        // Equip {4}. This ability costs {1} less to activate for each color of the creature it targets.
+        EquipAbility equipAbility = new EquipAbility(4);
+        equipAbility.setCostAdjuster(DragonfireBladeCostAdjuster.instance);
+        equipAbility.setCostReduceText("This ability costs {1} less to activate for each color of the creature it targets.");
+        this.addAbility(equipAbility);
+    }
+
+    private DragonfireBlade(final DragonfireBlade card) {
+        super(card);
+    }
+
+    @Override
+    public DragonfireBlade copy() {
+        return new DragonfireBlade(this);
+    }
+}
+
+enum DragonfireBladeCostAdjuster implements CostAdjuster {
+    instance;
+
+    @Override
+    public void reduceCost(Ability ability, Game game) {
+        int reduceCount = 0;
+        if (game.inCheckPlayableState()) {
+            reduceCount = game.getBattlefield().getAllActivePermanents(ability.getControllerId())
+                    .stream()
+                    .filter(Permanent::isCreature)
+                    .mapToInt(permanent -> permanent.getColor(game).getColorCount())
+                    .max()
+                    .orElse(reduceCount);
+        }
+        else {
+            Permanent target = game.getPermanent(ability.getFirstTarget());
+            if (target != null) {
+                reduceCount = target.getColor(game).getColorCount();
+            }
+
+        }
+        CardUtil.reduceCost(ability, reduceCount);
+    }
+}

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

@@ -86,6 +86,8 @@ public final class TarkirDragonstorm extends ExpansionSet {
         cards.add(new SetCardInfo("Dragonback Lancer", 9, Rarity.COMMON, mage.cards.d.DragonbackLancer.class));
         cards.add(new SetCardInfo("Dragonbroods' Relic", 140, Rarity.UNCOMMON, mage.cards.d.DragonbroodsRelic.class));
         cards.add(new SetCardInfo("Dragonclaw Strike", 180, Rarity.UNCOMMON, mage.cards.d.DragonclawStrike.class));
+        cards.add(new SetCardInfo("Dragonfire Blade", 240, Rarity.RARE, mage.cards.d.DragonfireBlade.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Dragonfire Blade", 324, Rarity.RARE, mage.cards.d.DragonfireBlade.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Dragonologist", 42, Rarity.RARE, mage.cards.d.Dragonologist.class));
         cards.add(new SetCardInfo("Dragonstorm Forecaster", 43, Rarity.UNCOMMON, mage.cards.d.DragonstormForecaster.class));
         cards.add(new SetCardInfo("Dragonstorm Globe", 241, Rarity.COMMON, mage.cards.d.DragonstormGlobe.class));

Mage.Tests/src/test/java/org/mage/test/cards/single/tdm/DragonfireBladeTest.java

@@ -0,0 +1,49 @@
+package org.mage.test.cards.single.tdm;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class DragonfireBladeTest extends CardTestPlayerBase {
+
+    private static final String blade = "Dragonfire Blade";
+    private static final String equipText = "Equip {4}";
+    public static final String ornithopter = "Ornithopter"; // colorless 0/1 creature
+    private static final String turtle = "Aegis Turtle"; // U 0/5 creature
+    private static final String leotau = "Grizzled Leotau"; // GW 1/5 creature
+    private static final String mantis = "Mantis Rider"; // URW 3/3 creature
+    private static final String glint = "Glint-Eye Nephilim"; // UBRG 2/2 creature
+
+    @Test
+    public void colorsTest() {
+        setStrictChooseMode(true);
+
+        addCard(Zone.BATTLEFIELD, playerA, blade);
+        addCard(Zone.BATTLEFIELD, playerA, "Forest", 4 + 3 + 2 + 1);
+        addCard(Zone.BATTLEFIELD, playerA, ornithopter);
+        addCard(Zone.BATTLEFIELD, playerA, turtle);
+        addCard(Zone.BATTLEFIELD, playerA, leotau);
+        addCard(Zone.BATTLEFIELD, playerA, mantis);
+        addCard(Zone.BATTLEFIELD, playerA, glint);
+
+        activateAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, equipText, ornithopter);
+        waitStackResolved(1,PhaseStep.PRECOMBAT_MAIN);
+        activateAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, equipText, turtle);
+        waitStackResolved(1,PhaseStep.PRECOMBAT_MAIN);
+        activateAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, equipText, leotau);
+        waitStackResolved(1,PhaseStep.PRECOMBAT_MAIN);
+        activateAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, equipText, mantis);
+        waitStackResolved(1,PhaseStep.PRECOMBAT_MAIN);
+        activateAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, equipText, glint);
+        waitStackResolved(1,PhaseStep.PRECOMBAT_MAIN);
+
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+
+        assertAttachedTo(playerA, blade, glint, true);
+        assertPowerToughness(playerA, glint, 4, 4);
+    }
+}