From 747c1c096c596549bd88bca3876b73672e38a4fd Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Fri, 22 Jan 2021 10:13:22 -0500
Subject: [PATCH] [KHC] Implemented Lathril, Blade of the Elves

---
 .../mage/cards/l/LathrilBladeOfTheElves.java  | 91 +++++++++++++++++++
 .../src/mage/sets/KaldheimCommander.java      |  1 +
 .../permanent/UntappedPredicate.java          | 22 +++++
 3 files changed, 114 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/l/LathrilBladeOfTheElves.java
 create mode 100644 Mage/src/main/java/mage/filter/predicate/permanent/UntappedPredicate.java

diff --git a/Mage.Sets/src/mage/cards/l/LathrilBladeOfTheElves.java b/Mage.Sets/src/mage/cards/l/LathrilBladeOfTheElves.java
new file mode 100644
index 00000000000..be18347060f
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/l/LathrilBladeOfTheElves.java
@@ -0,0 +1,91 @@
+package mage.cards.l;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.DealsCombatDamageToAPlayerTriggeredAbility;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.common.TapTargetCost;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.CreateTokenEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.LoseLifeOpponentsEffect;
+import mage.abilities.keyword.MenaceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.permanent.UntappedPredicate;
+import mage.game.Game;
+import mage.game.permanent.token.ElfToken;
+import mage.target.common.TargetControlledPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LathrilBladeOfTheElves extends CardImpl {
+
+    private static final FilterControlledPermanent filter
+            = new FilterControlledPermanent(SubType.ELF, "untapped Elves you control");
+
+    static {
+        filter.add(UntappedPredicate.instance);
+    }
+
+    public LathrilBladeOfTheElves(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{2}{B}{G}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.ELF);
+        this.subtype.add(SubType.NOBLE);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(3);
+
+        // Menace
+        this.addAbility(new MenaceAbility());
+
+        // Whenever Lathril, Blade of the Elves deals combat damage to a player, create that many 1/1 green Elf Warrior creature tokens.
+        this.addAbility(new DealsCombatDamageToAPlayerTriggeredAbility(new CreateTokenEffect(
+                new ElfToken(), LathrilBladeOfTheElvesValue.instance
+        ).setText("create that many 1/1 green Elf Warrior creature tokens"), false));
+
+        // {T}, Tap ten untapped Elves you control: Each opponent loses 10 life and you gain 10 life.
+        Ability ability = new SimpleActivatedAbility(new LoseLifeOpponentsEffect(10), new TapSourceCost());
+        ability.addEffect(new GainLifeEffect(10).concatBy("and"));
+        ability.addCost(new TapTargetCost(new TargetControlledPermanent(10, filter)));
+        this.addAbility(ability);
+    }
+
+    private LathrilBladeOfTheElves(final LathrilBladeOfTheElves card) {
+        super(card);
+    }
+
+    @Override
+    public LathrilBladeOfTheElves copy() {
+        return new LathrilBladeOfTheElves(this);
+    }
+}
+
+enum LathrilBladeOfTheElvesValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        return (Integer) effect.getValue("damage");
+    }
+
+    @Override
+    public LathrilBladeOfTheElvesValue copy() {
+        return instance;
+    }
+
+    @Override
+    public String getMessage() {
+        return "";
+    }
+}
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/KaldheimCommander.java b/Mage.Sets/src/mage/sets/KaldheimCommander.java
index 8a03980e825..72c2e8d48aa 100644
--- a/Mage.Sets/src/mage/sets/KaldheimCommander.java
+++ b/Mage.Sets/src/mage/sets/KaldheimCommander.java
@@ -34,6 +34,7 @@ public final class KaldheimCommander extends ExpansionSet {
 
         cards.add(new SetCardInfo("Elderfang Venom", 15, Rarity.RARE, mage.cards.e.ElderfangVenom.class));
         cards.add(new SetCardInfo("Inspired Sphinx", 40, Rarity.MYTHIC, mage.cards.i.InspiredSphinx.class));
+        cards.add(new SetCardInfo("Lathril, Blade of the Elves", 1, Rarity.MYTHIC, mage.cards.l.LathrilBladeOfTheElves.class));
         cards.add(new SetCardInfo("Spectral Deluge", 7, Rarity.RARE, mage.cards.s.SpectralDeluge.class));
 
         cards.removeIf(setCardInfo -> unfinished.contains(setCardInfo.getName())); // remove when mechanic is fully implemented
diff --git a/Mage/src/main/java/mage/filter/predicate/permanent/UntappedPredicate.java b/Mage/src/main/java/mage/filter/predicate/permanent/UntappedPredicate.java
new file mode 100644
index 00000000000..e06811fe729
--- /dev/null
+++ b/Mage/src/main/java/mage/filter/predicate/permanent/UntappedPredicate.java
@@ -0,0 +1,22 @@
+package mage.filter.predicate.permanent;
+
+import mage.filter.predicate.Predicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ * @author TheElk801
+ */
+public enum UntappedPredicate implements Predicate<Permanent> {
+    instance;
+
+    @Override
+    public boolean apply(Permanent input, Game game) {
+        return !input.isTapped();
+    }
+
+    @Override
+    public String toString() {
+        return "Untapped";
+    }
+}