From 049dd48d0a2e1b51a56a6ac40ad790cf5fb573dc Mon Sep 17 00:00:00 2001
From: Rowan Gudmundsson <32584686+Rowan-Gudmundsson@users.noreply.github.com>
Date: Wed, 1 Mar 2023 02:40:45 -0800
Subject: [PATCH] [CLB] Implement Deep Gnome Terramancer (#9858)

---
 .../mage/cards/d/DeepGnomeTerramancer.java    | 102 ++++++++++++++++++
 .../CommanderLegendsBattleForBaldursGate.java |   2 +
 2 files changed, 104 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/d/DeepGnomeTerramancer.java

diff --git a/Mage.Sets/src/mage/cards/d/DeepGnomeTerramancer.java b/Mage.Sets/src/mage/cards/d/DeepGnomeTerramancer.java
new file mode 100644
index 0000000000..9213e78c17
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/d/DeepGnomeTerramancer.java
@@ -0,0 +1,102 @@
+package mage.cards.d;
+
+import mage.MageInt;
+import mage.abilities.effects.common.search.SearchLibraryPutInPlayEffect;
+import mage.abilities.keyword.FlashAbility;
+import mage.abilities.TriggeredAbilityImpl;
+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.FilterCard;
+import mage.game.events.GameEvent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetCardInLibrary;
+import mage.watchers.common.PlayLandWatcher;
+
+import java.util.UUID;
+
+/**
+ * @author rgudmundsson
+ */
+public final class DeepGnomeTerramancer extends CardImpl {
+
+    public DeepGnomeTerramancer(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[] { CardType.CREATURE }, "{1}{W}");
+        this.subtype.add(SubType.GNOME, SubType.WIZARD);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // Whenever one or more lands enter the battlefield under an opponent's control
+        // without being played, you may search your library for a Plains card, put it
+        // onto the battlefield tapped, then shuffle. Do this only once each turn.
+        this.addAbility(new DeepGnomeTerramancerTriggeredAbility().setDoOnlyOnce(true), new PlayLandWatcher());
+    }
+
+    private DeepGnomeTerramancer(final DeepGnomeTerramancer card) {
+        super(card);
+    }
+
+    @Override
+    public DeepGnomeTerramancer copy() {
+        return new DeepGnomeTerramancer(this);
+    }
+}
+
+class DeepGnomeTerramancerTriggeredAbility extends TriggeredAbilityImpl {
+
+    DeepGnomeTerramancerTriggeredAbility() {
+        super(Zone.BATTLEFIELD, null);
+
+        FilterCard filter = new FilterCard("Plains card");
+        filter.add(SubType.PLAINS.getPredicate());
+        TargetCardInLibrary target = new TargetCardInLibrary(filter);
+        addEffect(new SearchLibraryPutInPlayEffect(target, true, true, Outcome.PutLandInPlay));
+    }
+
+    DeepGnomeTerramancerTriggeredAbility(DeepGnomeTerramancerTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Permanent land = game.getPermanent(event.getTargetId());
+        PlayLandWatcher watcher = game.getState().getWatcher(PlayLandWatcher.class);
+
+        if (land == null || !land.isLand(game)) { // Permanent is not a land
+            return false;
+        }
+
+        if (land.isControlledBy(this.controllerId)) { // Land enters under ability controllers control
+            return false;
+        }
+
+        if (watcher.wasLandPlayed(land.getId())) { // Land was played
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public DeepGnomeTerramancerTriggeredAbility copy() {
+        return new DeepGnomeTerramancerTriggeredAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search " +
+                "your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.";
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
index 05605c74f6..643e138b46 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegendsBattleForBaldursGate.java
@@ -169,6 +169,8 @@ public final class CommanderLegendsBattleForBaldursGate extends ExpansionSet {
         cards.add(new SetCardInfo("Deadly Dispute", 124, Rarity.COMMON, mage.cards.d.DeadlyDispute.class));
         cards.add(new SetCardInfo("Death Kiss", 675, Rarity.RARE, mage.cards.d.DeathKiss.class));
         cards.add(new SetCardInfo("Decanter of Endless Water", 309, Rarity.COMMON, mage.cards.d.DecanterOfEndlessWater.class));
+        cards.add(new SetCardInfo("Deep Gnome Terramancer", 658, Rarity.RARE, mage.cards.d.DeepGnomeTerramancer.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Deep Gnome Terramancer", 607, Rarity.RARE, mage.cards.d.DeepGnomeTerramancer.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Delayed Blast Fireball", 676, Rarity.RARE, mage.cards.d.DelayedBlastFireball.class));
         cards.add(new SetCardInfo("Demon Bolt", 787, Rarity.COMMON, mage.cards.d.DemonBolt.class));
         cards.add(new SetCardInfo("Descent into Avernus", 169, Rarity.RARE, mage.cards.d.DescentIntoAvernus.class));