From e57d5d02c92f583acb399da26ea436e6022afe7e Mon Sep 17 00:00:00 2001
From: Susucre <34709007+Susucre@users.noreply.github.com>
Date: Sat, 29 Jul 2023 01:33:48 +0200
Subject: [PATCH] [CMM] Implement Regal Sliver (#10691)

---
 Mage.Sets/src/mage/cards/r/RegalSliver.java   | 63 +++++++++++++++++++
 Mage.Sets/src/mage/sets/CommanderMasters.java |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/r/RegalSliver.java

diff --git a/Mage.Sets/src/mage/cards/r/RegalSliver.java b/Mage.Sets/src/mage/cards/r/RegalSliver.java
new file mode 100644
index 00000000000..e1e76ae21f0
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RegalSliver.java
@@ -0,0 +1,63 @@
+package mage.cards.r;
+
+import mage.MageInt;
+import mage.abilities.TriggeredAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.MonarchIsSourceControllerCondition;
+import mage.abilities.decorator.ConditionalOneShotEffect;
+import mage.abilities.effects.common.AddContinuousEffectToGame;
+import mage.abilities.effects.common.BecomesMonarchSourceEffect;
+import mage.abilities.effects.common.continuous.BoostControlledEffect;
+import mage.abilities.effects.common.continuous.GainAbilityControlledEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.SubType;
+import mage.filter.StaticFilters;
+
+import java.util.UUID;
+
+/**
+ * @author Susucr
+ */
+public final class RegalSliver extends CardImpl {
+
+    public RegalSliver(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{W}");
+
+        this.subtype.add(SubType.SLIVER);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(3);
+
+        // Sliver creatures you control have "When this creature enters the battlefield, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."
+        TriggeredAbility trigger =
+            new EntersBattlefieldTriggeredAbility(
+                new ConditionalOneShotEffect(
+                    new AddContinuousEffectToGame(
+                        new BoostControlledEffect(1, 1, Duration.EndOfTurn,
+                            StaticFilters.FILTER_PERMANENT_SLIVERS
+                        )),
+                    new BecomesMonarchSourceEffect(),
+                    MonarchIsSourceControllerCondition.instance,
+                    "Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."
+                )
+            );
+
+        this.addAbility(new SimpleStaticAbility(new GainAbilityControlledEffect(
+            trigger, Duration.WhileOnBattlefield,
+            StaticFilters.FILTER_PERMANENT_ALL_SLIVERS
+        ).setText("Sliver creatures you control have \"When this creature enters the battlefield, "
+            + "Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch.\"")));
+    }
+
+    private RegalSliver(final RegalSliver card) {
+        super(card);
+    }
+
+    @Override
+    public RegalSliver copy() {
+        return new RegalSliver(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderMasters.java b/Mage.Sets/src/mage/sets/CommanderMasters.java
index c11528c2d4d..fdfb7af7d95 100644
--- a/Mage.Sets/src/mage/sets/CommanderMasters.java
+++ b/Mage.Sets/src/mage/sets/CommanderMasters.java
@@ -502,6 +502,7 @@ public final class CommanderMasters extends ExpansionSet {
         cards.add(new SetCardInfo("Realmwalker", 909, Rarity.RARE, mage.cards.r.Realmwalker.class));
         cards.add(new SetCardInfo("Reassembling Skeleton", 183, Rarity.UNCOMMON, mage.cards.r.ReassemblingSkeleton.class));
         cards.add(new SetCardInfo("Regal Behemoth", 316, Rarity.RARE, mage.cards.r.RegalBehemoth.class));
+        cards.add(new SetCardInfo("Regal Sliver", 724, Rarity.RARE, mage.cards.r.RegalSliver.class));
         cards.add(new SetCardInfo("Rejuvenating Springs", 424, Rarity.RARE, mage.cards.r.RejuvenatingSprings.class));
         cards.add(new SetCardInfo("Reliquary Tower", 425, Rarity.UNCOMMON, mage.cards.r.ReliquaryTower.class));
         cards.add(new SetCardInfo("Renowned Weaponsmith", 114, Rarity.COMMON, mage.cards.r.RenownedWeaponsmith.class));