From 59da4b15f6bfd75ca53b9be9a0fcc7189a0aa912 Mon Sep 17 00:00:00 2001
From: Daniel Bomar <dbdaniel42@gmail.com>
Date: Sat, 9 Jan 2021 21:37:35 -0600
Subject: [PATCH] [KHM] Implemented Koll, the Forgemaster (#7359)

---
 .../src/mage/cards/k/KollTheForgemaster.java  | 111 ++++++++++++++++++
 Mage.Sets/src/mage/sets/Kaldheim.java         |   1 +
 2 files changed, 112 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/k/KollTheForgemaster.java

diff --git a/Mage.Sets/src/mage/cards/k/KollTheForgemaster.java b/Mage.Sets/src/mage/cards/k/KollTheForgemaster.java
new file mode 100644
index 0000000000..c67001d66b
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/k/KollTheForgemaster.java
@@ -0,0 +1,111 @@
+package mage.cards.k;
+
+import java.util.Objects;
+import java.util.UUID;
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.common.DiesCreatureTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.ReturnToHandTargetEffect;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.constants.SuperType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.common.FilterControlledCreaturePermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.Predicate;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.permanent.AnotherPredicate;
+import mage.filter.predicate.permanent.EnchantedPredicate;
+import mage.filter.predicate.permanent.EquippedPredicate;
+import mage.filter.predicate.permanent.TokenPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ *
+ * @author weirddan455
+ */
+public final class KollTheForgemaster extends CardImpl {
+
+    private static final FilterControlledCreaturePermanent filter
+            = new FilterControlledCreaturePermanent("another nontoken creature you control");
+    private static final FilterCreaturePermanent filter2 = new FilterCreaturePermanent();
+
+    static {
+        filter.add(AnotherPredicate.instance);
+        filter.add(Predicates.not(TokenPredicate.instance));
+        filter.add(Predicates.or(KollTheForgemasterEnchantedPredicate.instance, KollTheForgemasterEquippedPredicate.instance));
+        filter2.add(TokenPredicate.instance);
+        filter2.add(Predicates.or(EnchantedPredicate.instance, EquippedPredicate.instance));
+    }
+
+    public KollTheForgemaster(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{R}{W}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.DWARF);
+        this.subtype.add(SubType.WARRIOR);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Whenever another nontoken creature you control dies, if it was enchanted or equipped, return it to its owner's hand.
+        this.addAbility(new DiesCreatureTriggeredAbility(new ReturnToHandTargetEffect()
+                .setText("if it was enchanted or equipped, return it to its owner's hand"), false, filter, true
+        ));
+
+        // Creature tokens you control that are enchanted or equipped get +1/+1.
+        this.addAbility(new SimpleStaticAbility(new BoostControlledEffect(1, 1, Duration.WhileOnBattlefield, filter2)
+                .setText("Creature tokens you control that are enchanted or equipped get +1/+1")
+        ));
+    }
+
+    private KollTheForgemaster(final KollTheForgemaster card) {
+        super(card);
+    }
+
+    @Override
+    public KollTheForgemaster copy() {
+        return new KollTheForgemaster(this);
+    }
+}
+
+// Custom predicates call getPermanentOrLKIBattlefield (needed for the death trigger to work correctly)
+enum KollTheForgemasterEnchantedPredicate implements Predicate<Permanent> {
+    instance;
+
+    @Override
+    public boolean apply(Permanent input, Game game) {
+        return input.getAttachments()
+                .stream()
+                .map(game::getPermanentOrLKIBattlefield)
+                .filter(Objects::nonNull)
+                .anyMatch(MageObject::isEnchantment);
+    }
+
+    @Override
+    public String toString() {
+        return "Enchanted";
+    }
+}
+
+enum KollTheForgemasterEquippedPredicate implements Predicate<Permanent> {
+    instance;
+
+    @Override
+    public boolean apply(Permanent input, Game game) {
+        return input.getAttachments()
+                .stream()
+                .map(game::getPermanentOrLKIBattlefield)
+                .filter(Objects::nonNull)
+                .anyMatch(attachment -> attachment.hasSubtype(SubType.EQUIPMENT, game));
+    }
+
+    @Override
+    public String toString() {
+        return "equipped";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Kaldheim.java b/Mage.Sets/src/mage/sets/Kaldheim.java
index 275f4782ad..1707a2dcc6 100644
--- a/Mage.Sets/src/mage/sets/Kaldheim.java
+++ b/Mage.Sets/src/mage/sets/Kaldheim.java
@@ -86,6 +86,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Inga Rune-Eyes", 64, Rarity.UNCOMMON, mage.cards.i.IngaRuneEyes.class));
         cards.add(new SetCardInfo("Invasion of the Giants", 215, Rarity.UNCOMMON, mage.cards.i.InvasionOfTheGiants.class));
         cards.add(new SetCardInfo("Kaya the Inexorable", 218, Rarity.MYTHIC, mage.cards.k.KayaTheInexorable.class));
+        cards.add(new SetCardInfo("Koll, the Forgemaster", 220, Rarity.UNCOMMON, mage.cards.k.KollTheForgemaster.class));
         cards.add(new SetCardInfo("Koma's Faithful", 102, Rarity.COMMON, mage.cards.k.KomasFaithful.class));
         cards.add(new SetCardInfo("Magda, Brazen Outlaw", 142, Rarity.RARE, mage.cards.m.MagdaBrazenOutlaw.class));
         cards.add(new SetCardInfo("Masked Vandal", 184, Rarity.COMMON, mage.cards.m.MaskedVandal.class));