* Fixed that commander mana replacement effect did wrong mana replacements if additional mana was produced from abilities of opponents (fixes #1146).

Mage.Tests/src/test/java/org/mage/test/commander/duel/CommanderManaReplacmentTest.java

@@ -0,0 +1,82 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
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+package org.mage.test.commander.duel;
+
+import java.io.FileNotFoundException;
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.GameException;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestCommanderDuelBase;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class CommanderManaReplacmentTest extends CardTestCommanderDuelBase {
+
+    @Override
+    protected Game createNewGameAndPlayers() throws GameException, FileNotFoundException {
+        setDecknamePlayerA("CommanderDuel_UW.dck"); // Commander = Daxos of Meletis
+        return super.createNewGameAndPlayers();
+    }
+
+    /**
+     * This issue appears to arise in both Commander Two Player Duel and
+     * Commander Free For All. Whenever a player (call her player 1) controls a
+     * permanent with a mana doubling continuous effect (e.g. Mana Flare) and
+     * another player (call her player 2) taps an affected permanent for mana
+     * that is outside of player 1's color identity, player 2 gets an additional
+     * colorless mana rather than the correct color of mana. I suspect the
+     * reason for this is that Xmage is treating Mana Flare as producing mana of
+     * the appropriate color and adding it to another player's mana pool, which
+     * is both incorrect in the game rules and would cause this problem.
+     *
+     * For example, I am playing a mono red deck and control a Mana Flare. You
+     * are playing a mono green deck and you tap a Forest for mana. You should
+     * add GG to your mana pool, but instead, Xmage shows you adding 1G to your
+     * mana pool.
+     */
+    @Test
+    public void castCommanderWithFlash() {
+        addCard(Zone.BATTLEFIELD, playerA, "Island", 1);
+        addCard(Zone.HAND, playerA, "Vedalken Mastermind", 1); // {U}{U}
+
+        addCard(Zone.BATTLEFIELD, playerB, "Mana Flare");
+
+        activateManaAbility(1, PhaseStep.PRECOMBAT_MAIN, playerA, "{T}: Add {U}"); // should add {U}{U}
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Vedalken Mastermind");
+        setStopAt(1, PhaseStep.PRECOMBAT_MAIN);
+        execute();
+
+        assertPermanentCount(playerA, "Vedalken Mastermind", 1);
+
+    }
+
+}