From 0accdb62683462adfac668d837336bf3ccb43980 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Sun, 1 Nov 2020 08:41:42 -0500
Subject: [PATCH] [CMR] Implemented Belbe, Corrupted Observer

---
 .../mage/cards/b/BelbeCorruptedObserver.java  | 106 ++++++++++++++++++
 Mage.Sets/src/mage/sets/CommanderLegends.java |   1 +
 2 files changed, 107 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/b/BelbeCorruptedObserver.java

diff --git a/Mage.Sets/src/mage/cards/b/BelbeCorruptedObserver.java b/Mage.Sets/src/mage/cards/b/BelbeCorruptedObserver.java
new file mode 100644
index 00000000000..cf4ff3b7e3f
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/b/BelbeCorruptedObserver.java
@@ -0,0 +1,106 @@
+package mage.cards.b;
+
+import mage.MageInt;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfPostCombatMainTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+import mage.watchers.Watcher;
+
+import java.util.*;
+
+/**
+ * @author TheElk801
+ */
+public final class BelbeCorruptedObserver extends CardImpl {
+
+    public BelbeCorruptedObserver(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{B}{G}");
+
+        this.addSuperType(SuperType.LEGENDARY);
+        this.subtype.add(SubType.ZOMBIE);
+        this.subtype.add(SubType.ELF);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn.
+        this.addAbility(new BeginningOfPostCombatMainTriggeredAbility(
+                new BelbeCorruptedObserverEffect(), TargetController.ANY, false
+        ), new BelbeCorruptedObserverWatcher());
+    }
+
+    private BelbeCorruptedObserver(final BelbeCorruptedObserver card) {
+        super(card);
+    }
+
+    @Override
+    public BelbeCorruptedObserver copy() {
+        return new BelbeCorruptedObserver(this);
+    }
+}
+
+class BelbeCorruptedObserverEffect extends OneShotEffect {
+
+    BelbeCorruptedObserverEffect() {
+        super(Outcome.Benefit);
+        staticText = "that player adds {C}{C} for each of your opponents who lost life this turn";
+    }
+
+    private BelbeCorruptedObserverEffect(final BelbeCorruptedObserverEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public BelbeCorruptedObserverEffect copy() {
+        return new BelbeCorruptedObserverEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(game.getActivePlayerId());
+        BelbeCorruptedObserverWatcher watcher = game.getState().getWatcher(BelbeCorruptedObserverWatcher.class);
+        if (player == null || watcher == null) {
+            return false;
+        }
+        int playerCount = watcher.getOpponentCount(source.getControllerId());
+        player.getManaPool().addMana(Mana.ColorlessMana(2 * playerCount), game, source);
+        return true;
+    }
+}
+
+class BelbeCorruptedObserverWatcher extends Watcher {
+
+    private final Map<UUID, Set<UUID>> playerMap = new HashMap<>();
+
+    BelbeCorruptedObserverWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.LOST_LIFE) {
+            return;
+        }
+        game.getOpponents(event.getPlayerId())
+                .stream()
+                .map(uuid -> playerMap
+                        .computeIfAbsent(uuid, x -> new HashSet<>())
+                        .add(event.getPlayerId()));
+    }
+
+    @Override
+    public void reset() {
+        playerMap.clear();
+        super.reset();
+    }
+
+    int getOpponentCount(UUID playerId) {
+        return playerMap.computeIfAbsent(playerId, x -> new HashSet<>()).size();
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/CommanderLegends.java b/Mage.Sets/src/mage/sets/CommanderLegends.java
index 9c77d75ebbf..2bc9d103da6 100644
--- a/Mage.Sets/src/mage/sets/CommanderLegends.java
+++ b/Mage.Sets/src/mage/sets/CommanderLegends.java
@@ -42,6 +42,7 @@ public final class CommanderLegends extends ExpansionSet {
         cards.add(new SetCardInfo("Aurora Phoenix", 161, Rarity.RARE, mage.cards.a.AuroraPhoenix.class));
         cards.add(new SetCardInfo("Austere Command", 12, Rarity.RARE, mage.cards.a.AustereCommand.class));
         cards.add(new SetCardInfo("Averna, the Chaos Bloom", 269, Rarity.RARE, mage.cards.a.AvernaTheChaosBloom.class));
+        cards.add(new SetCardInfo("Belbe, Corrupted Observer", 270, Rarity.RARE, mage.cards.b.BelbeCorruptedObserver.class));
         cards.add(new SetCardInfo("Bitter Revelation", 109, Rarity.COMMON, mage.cards.b.BitterRevelation.class));
         cards.add(new SetCardInfo("Bladegriff Prototype", 300, Rarity.RARE, mage.cards.b.BladegriffPrototype.class));
         cards.add(new SetCardInfo("Blasphemous Act", 162, Rarity.RARE, mage.cards.b.BlasphemousAct.class));