* Fixed a bug that the win method for a player did not handle the range correctly and did erroneously end the game while still multiple players alive (related to #6553).

Mage.Sets/src/mage/cards/a/ApproachOfTheSecondSun.java

@@ -27,6 +27,8 @@ public final class ApproachOfTheSecondSun extends CardImpl {
     public ApproachOfTheSecondSun(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{6}{W}");
 
+        // If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game,
+        // you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.        
         getSpellAbility().addEffect(new ApproachOfTheSecondSunEffect());
         getSpellAbility().addWatcher(new ApproachOfTheSecondSunWatcher());
     }
@@ -46,7 +48,7 @@ class ApproachOfTheSecondSunEffect extends OneShotEffect {
     public ApproachOfTheSecondSunEffect() {
         super(Outcome.Win);
         this.staticText
-                = "If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. "
+                = "If this spell was cast from your hand and you've cast another spell named {this} this game, you win the game. "
                 + "Otherwise, put {this} into its owner's library seventh from the top and you gain 7 life.";
     }
 
@@ -93,7 +95,7 @@ class ApproachOfTheSecondSunEffect extends OneShotEffect {
 
 class ApproachOfTheSecondSunWatcher extends Watcher {
 
-    private Map<UUID, Integer> approachesCast = new HashMap<>();
+    private final Map<UUID, Integer> approachesCast = new HashMap<>();
 
     public ApproachOfTheSecondSunWatcher() {
         super(WatcherScope.GAME);

Mage.Tests/src/test/java/org/mage/test/multiplayer/PlayerWinsTest.java

@@ -0,0 +1,64 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.mage.test.multiplayer;
+
+import java.io.FileNotFoundException;
+import mage.constants.MultiplayerAttackOption;
+import mage.constants.PhaseStep;
+import mage.constants.RangeOfInfluence;
+import mage.constants.Zone;
+import mage.game.FreeForAll;
+import mage.game.Game;
+import mage.game.GameException;
+import mage.game.mulligan.MulliganType;
+import org.junit.Assert;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestMultiPlayerBase;
+
+
+/**
+ * @author LevelX2
+ */
+public class PlayerWinsTest extends CardTestMultiPlayerBase {
+
+    @Override
+    protected Game createNewGameAndPlayers() throws GameException, FileNotFoundException {
+        Game game = new FreeForAll(MultiplayerAttackOption.MULTIPLE, RangeOfInfluence.ONE, MulliganType.GAME_DEFAULT.getMulligan(0), 40);
+        // Player order: A -> D -> C -> B
+        playerA = createPlayer(game, playerA, "PlayerA");
+        playerB = createPlayer(game, playerB, "PlayerB");
+        playerC = createPlayer(game, playerC, "PlayerC");
+        playerD = createPlayer(game, playerD, "PlayerD");
+        return game;
+    }
+
+    /**
+     * Tests multiplayer effects Player order: A -> D -> C -> B
+     */
+    @Test
+    public void ApproachOfTheSecondSunTest() {
+
+        // If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game,
+        // you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life. 
+        addCard(Zone.HAND, playerA, "Approach of the Second Sun", 2); // Sorcery {6}{W}
+        addCard(Zone.BATTLEFIELD, playerA, "Plains", 7);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Approach of the Second Sun");
+        castSpell(5, PhaseStep.PRECOMBAT_MAIN, playerA, "Approach of the Second Sun");
+
+        setStopAt(5, PhaseStep.POSTCOMBAT_MAIN);
+        execute();
+
+        assertLife(playerA, 47);
+        assertLife(playerC, 40);
+        Assert.assertTrue("Player D has lost the game", !playerD.isInGame());
+        Assert.assertTrue("Player B has lost the game", !playerB.isInGame());
+        Assert.assertTrue("Player C is in the game", playerC.isInGame());
+        Assert.assertTrue("Player A is in the game", playerA.isInGame());
+
+    }
+
+}

Mage/src/main/java/mage/players/PlayerImpl.java

@@ -2526,12 +2526,14 @@ public abstract class PlayerImpl implements Player, Serializable {
                         opponent.lostForced(game);
                     }
                 }
-                // if no more opponents alive, you win and the game ends
+                // if no more opponents alive (independant from range), you win and the game ends
                 int opponentsAlive = 0;
-                for (UUID opponentId : game.getOpponents(playerId)) {
-                    Player opponent = game.getPlayer(opponentId);
-                    if (opponent != null && !opponent.hasLost()) {
-                        opponentsAlive++;
+                for (UUID playerIdToCheck : game.getPlayerList()) {
+                    if (game.isOpponent(this, playerIdToCheck)) { // Check without range
+                        Player opponent = game.getPlayer(playerIdToCheck);
+                        if (opponent != null && !opponent.hasLost()) {
+                            opponentsAlive++;
+                        }
                     }
                 }
                 if (opponentsAlive == 0 && !hasWon()) {
@@ -2541,7 +2543,7 @@ public abstract class PlayerImpl implements Player, Serializable {
                     game.end();
                 }
             } else {
-                logger.debug("player won -> but already lost before: " + this.getName());
+                logger.debug("player won -> but already lost before or other players still alive: " + this.getName());
             }
         }
     }