From 3f7f4a0f82a3bce2abfe320e868af982d33495a5 Mon Sep 17 00:00:00 2001
From: Daniel Bomar <dbdaniel42@gmail.com>
Date: Thu, 14 Jan 2021 15:33:45 -0600
Subject: [PATCH] [KHM] Implemented Battle of Frost and Fire (#7392)

---
 .../mage/cards/b/BattleOfFrostAndFire.java    | 103 ++++++++++++++++++
 Mage.Sets/src/mage/sets/Kaldheim.java         |   1 +
 2 files changed, 104 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/b/BattleOfFrostAndFire.java

diff --git a/Mage.Sets/src/mage/cards/b/BattleOfFrostAndFire.java b/Mage.Sets/src/mage/cards/b/BattleOfFrostAndFire.java
new file mode 100644
index 0000000000..f561c96dcd
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/b/BattleOfFrostAndFire.java
@@ -0,0 +1,103 @@
+package mage.cards.b;
+
+import java.util.UUID;
+
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.common.SagaAbility;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.DamageAllEffect;
+import mage.abilities.effects.common.DrawDiscardControllerEffect;
+import mage.abilities.effects.keyword.ScryEffect;
+import mage.constants.Duration;
+import mage.constants.SagaChapter;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.FilterPermanent;
+import mage.filter.predicate.Predicates;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.Spell;
+
+/**
+ *
+ * @author weirddan455
+ */
+public final class BattleOfFrostAndFire extends CardImpl {
+
+    private static final FilterPermanent filter
+            = new FilterPermanent("non-Giant creature and each planeswalker");
+
+    static {
+        filter.add(Predicates.or(
+                Predicates.and(CardType.CREATURE.getPredicate(), Predicates.not(SubType.GIANT.getPredicate())),
+                CardType.PLANESWALKER.getPredicate()
+        ));
+    }
+
+    public BattleOfFrostAndFire(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{U}{R}");
+
+        this.subtype.add(SubType.SAGA);
+
+        // (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
+        SagaAbility sagaAbility = new SagaAbility(this, SagaChapter.CHAPTER_III);
+
+        // I — Battle of Frost and Fire deals 4 damage to each non-Giant creature and each planeswalker.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_I, new DamageAllEffect(4, filter));
+
+        // II — Scry 3.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_II, new ScryEffect(3));
+
+        // III — Whenever you cast a spell with converted mana cost 5 or greater this turn, draw two cards, then discard a card.
+        sagaAbility.addChapterEffect(this, SagaChapter.CHAPTER_III, new CreateDelayedTriggeredAbilityEffect(
+                new BattleOfFrostAndFireTriggeredAbility(), false, false
+        ));
+        this.addAbility(sagaAbility);
+    }
+
+    private BattleOfFrostAndFire(final BattleOfFrostAndFire card) {
+        super(card);
+    }
+
+    @Override
+    public BattleOfFrostAndFire copy() {
+        return new BattleOfFrostAndFire(this);
+    }
+}
+
+class BattleOfFrostAndFireTriggeredAbility extends DelayedTriggeredAbility {
+
+    public BattleOfFrostAndFireTriggeredAbility() {
+        super(new DrawDiscardControllerEffect(2, 1), Duration.EndOfTurn, false);
+    }
+
+    private BattleOfFrostAndFireTriggeredAbility(BattleOfFrostAndFireTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public BattleOfFrostAndFireTriggeredAbility copy() {
+        return new BattleOfFrostAndFireTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.SPELL_CAST;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (event.getPlayerId().equals(this.getControllerId())) {
+            Spell spell = game.getStack().getSpell(event.getTargetId());
+            return spell != null && spell.getConvertedManaCost() >= 5;
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever you cast a spell with converted mana cost 5 or greater this turn, " + super.getRule();
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/Kaldheim.java b/Mage.Sets/src/mage/sets/Kaldheim.java
index cc2956c1da..fdfbc6453c 100644
--- a/Mage.Sets/src/mage/sets/Kaldheim.java
+++ b/Mage.Sets/src/mage/sets/Kaldheim.java
@@ -65,6 +65,7 @@ public final class Kaldheim extends ExpansionSet {
         cards.add(new SetCardInfo("Axgard Cavalry", 121, Rarity.COMMON, mage.cards.a.AxgardCavalry.class));
         cards.add(new SetCardInfo("Barkchannel Pathway", 251, Rarity.RARE, mage.cards.b.BarkchannelPathway.class));
         cards.add(new SetCardInfo("Basalt Ravager", 122, Rarity.UNCOMMON, mage.cards.b.BasaltRavager.class));
+        cards.add(new SetCardInfo("Battle of Frost and Fire", 204, Rarity.RARE, mage.cards.b.BattleOfFrostAndFire.class));
         cards.add(new SetCardInfo("Bearded Axe", 388, Rarity.UNCOMMON, mage.cards.b.BeardedAxe.class));
         cards.add(new SetCardInfo("Behold the Multiverse", 46, Rarity.COMMON, mage.cards.b.BeholdTheMultiverse.class));
         cards.add(new SetCardInfo("Binding the Old Gods", 206, Rarity.UNCOMMON, mage.cards.b.BindingTheOldGods.class));