From f60b48400a58336510e7c8c89161e458f25508b8 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Tue, 8 Nov 2022 09:11:37 -0500
Subject: [PATCH] [BRO] Implement Lay Down Arms

---
 Mage.Sets/src/mage/cards/l/LayDownArms.java | 105 ++++++++++++++++++++
 Mage.Sets/src/mage/sets/TheBrothersWar.java |   1 +
 2 files changed, 106 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/l/LayDownArms.java

diff --git a/Mage.Sets/src/mage/cards/l/LayDownArms.java b/Mage.Sets/src/mage/cards/l/LayDownArms.java
new file mode 100644
index 00000000000..44475d4ab77
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/l/LayDownArms.java
@@ -0,0 +1,105 @@
+package mage.cards.l;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.OneShotEffect;
+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.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.ObjectSourcePlayer;
+import mage.filter.predicate.ObjectSourcePlayerPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.TargetPermanent;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class LayDownArms extends CardImpl {
+
+    private static final FilterPermanent filter = new FilterCreaturePermanent(
+            "creature with mana value less than or equal to the number of Plains you control"
+    );
+
+    static {
+        filter.add(LayDownArmsPredicate.instance);
+    }
+
+    public LayDownArms(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{W}");
+
+        // Exile target creature with mana value less than or equal to the number of Plains you control. Its controller gains 3 life.
+        this.getSpellAbility().addEffect(new LayDownArmsEffect());
+        this.getSpellAbility().addTarget(new TargetPermanent(filter));
+        this.getSpellAbility().addHint(LayDownArmsPredicate.getHint());
+    }
+
+    private LayDownArms(final LayDownArms card) {
+        super(card);
+    }
+
+    @Override
+    public LayDownArms copy() {
+        return new LayDownArms(this);
+    }
+}
+
+enum LayDownArmsPredicate implements ObjectSourcePlayerPredicate<Permanent> {
+    instance;
+    private static final DynamicValue xValue
+            = new PermanentsOnBattlefieldCount(new FilterControlledPermanent(SubType.PLAINS));
+    private static final Hint hint = new ValueHint("Plains you control", xValue);
+
+    @Override
+    public boolean apply(ObjectSourcePlayer<Permanent> input, Game game) {
+        return input.getObject().getManaValue() <= xValue.calculate(game, input.getSource(), null);
+    }
+
+    public static Hint getHint() {
+        return hint;
+    }
+}
+
+class LayDownArmsEffect extends OneShotEffect {
+
+    LayDownArmsEffect() {
+        super(Outcome.Benefit);
+        staticText = "exile target creature with mana value less than or equal " +
+                "to the number of Plains you control. Its controller gains 3 life";
+    }
+
+    private LayDownArmsEffect(final LayDownArmsEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public LayDownArmsEffect copy() {
+        return new LayDownArmsEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        Permanent permanent = game.getPermanent(getTargetPointer().getFirst(game, source));
+        if (controller == null || permanent == null) {
+            return false;
+        }
+        controller.moveCards(permanent, Zone.EXILED, source, game);
+        Optional.ofNullable(game.getPlayer(permanent.getControllerId()))
+                .ifPresent(player -> player.gainLife(3, game, source));
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/TheBrothersWar.java b/Mage.Sets/src/mage/sets/TheBrothersWar.java
index 3d53abb0e82..f8dca9065b3 100644
--- a/Mage.Sets/src/mage/sets/TheBrothersWar.java
+++ b/Mage.Sets/src/mage/sets/TheBrothersWar.java
@@ -152,6 +152,7 @@ public final class TheBrothersWar extends ExpansionSet {
         cards.add(new SetCardInfo("Kill-Zone Acrobat", 106, Rarity.COMMON, mage.cards.k.KillZoneAcrobat.class));
         cards.add(new SetCardInfo("Koilos Roc", 55, Rarity.COMMON, mage.cards.k.KoilosRoc.class));
         cards.add(new SetCardInfo("Lat-Nam Adept", 56, Rarity.COMMON, mage.cards.l.LatNamAdept.class));
+        cards.add(new SetCardInfo("Lay Down Arms", 11, Rarity.UNCOMMON, mage.cards.l.LayDownArms.class));
         cards.add(new SetCardInfo("Levitating Statue", 236, Rarity.UNCOMMON, mage.cards.l.LevitatingStatue.class));
         cards.add(new SetCardInfo("Liberator, Urza's Battlethopter", 237, Rarity.RARE, mage.cards.l.LiberatorUrzasBattlethopter.class));
         cards.add(new SetCardInfo("Llanowar Wastes", 264, Rarity.RARE, mage.cards.l.LlanowarWastes.class));