From c74483488b6e759f66fd0dfb7ffce3b0b99fc914 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Wed, 18 May 2022 09:32:53 -0400
Subject: [PATCH] [CLB] Implemented Astral Confrontation

---
 .../src/mage/cards/a/AstralConfrontation.java | 89 +++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |  1 +
 2 files changed, 90 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/a/AstralConfrontation.java

diff --git a/Mage.Sets/src/mage/cards/a/AstralConfrontation.java b/Mage.Sets/src/mage/cards/a/AstralConfrontation.java
new file mode 100644
index 00000000000..888fdebb72e
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/a/AstralConfrontation.java
@@ -0,0 +1,89 @@
+package mage.cards.a;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.common.ExileTargetEffect;
+import mage.abilities.effects.common.cost.SpellCostReductionForEachSourceEffect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.combat.CombatGroup;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class AstralConfrontation extends CardImpl {
+
+    private static final Hint hint = new ValueHint("Opponents you're attacking", AstralConfrontationValue.instance);
+
+    public AstralConfrontation(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{4}{W}");
+
+        // This spell costs {1} less to cast for each opponent you're attacking.
+        this.addAbility(new SimpleStaticAbility(
+                Zone.ALL, new SpellCostReductionForEachSourceEffect(1, AstralConfrontationValue.instance)
+        ).setRuleAtTheTop(true));
+
+        // Exile target creature.
+        this.getSpellAbility().addEffect(new ExileTargetEffect());
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+    }
+
+    private AstralConfrontation(final AstralConfrontation card) {
+        super(card);
+    }
+
+    @Override
+    public AstralConfrontation copy() {
+        return new AstralConfrontation(this);
+    }
+}
+
+enum AstralConfrontationValue implements DynamicValue {
+    instance;
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        Set<UUID> opponents = game.getOpponents(sourceAbility.getControllerId());
+        return game
+                .getCombat()
+                .getGroups()
+                .stream()
+                .filter(combatGroup -> combatGroup
+                        .getAttackers()
+                        .stream()
+                        .map(game::getControllerId)
+                        .anyMatch(sourceAbility::isControlledBy)
+                )
+                .map(CombatGroup::getDefenderId)
+                .distinct()
+                .filter(opponents::contains)
+                .mapToInt(x -> 1)
+                .sum();
+    }
+
+    @Override
+    public AstralConfrontationValue copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return "opponent you're attacking";
+    }
+
+    @Override
+    public String toString() {
+        return "1";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index ea08cbd22c5..45560b94947 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -24,6 +24,7 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Aarakocra Sneak", 54, Rarity.COMMON, mage.cards.a.AarakocraSneak.class));
         cards.add(new SetCardInfo("Ancient Brass Dragon", 111, Rarity.MYTHIC, mage.cards.a.AncientBrassDragon.class));
         cards.add(new SetCardInfo("Arcane Signet", 298, Rarity.UNCOMMON, mage.cards.a.ArcaneSignet.class));
+        cards.add(new SetCardInfo("Astral Confrontation", 6, Rarity.COMMON, mage.cards.a.AstralConfrontation.class));
         cards.add(new SetCardInfo("Baldur's Gate", 345, Rarity.RARE, mage.cards.b.BaldursGate.class));
         cards.add(new SetCardInfo("Bane's Invoker", 7, Rarity.COMMON, mage.cards.b.BanesInvoker.class));
         cards.add(new SetCardInfo("Bhaal's Invoker", 163, Rarity.COMMON, mage.cards.b.BhaalsInvoker.class));