* Fixed available mana generation of Virdian Joiner (#6698).

Mage.Sets/src/mage/cards/v/ViridianJoiner.java

@@ -25,7 +25,7 @@ public final class ViridianJoiner extends CardImpl {
         this.power = new MageInt(1);
         this.toughness = new MageInt(2);
 
-        // {tap}: Add an amount of {G} equal to Viridian Joiner's power.
+        // {T}: Add an amount of {G} equal to Viridian Joiner's power.
         this.addAbility(new DynamicManaAbility(Mana.GreenMana(1), new SourcePermanentPowerCount()));
     }
 

Mage.Tests/src/test/java/org/mage/test/cards/mana/TappedForManaRelatedTest.java

@@ -314,4 +314,33 @@ public class TappedForManaRelatedTest extends CardTestPlayerBase {
         Assert.assertEquals("mana variations don't fit", 1, manaOptions.size());
         assertManaOptions("{C}{C}{C}{C}{C}", manaOptions);
     }
+
+    @Test
+    public void TestViridianJoiner() {
+        setStrictChooseMode(true);
+        
+        // {T}: Add an amount of {G} equal to Viridian Joiner's power.
+        addCard(Zone.HAND, playerA, "Viridian Joiner", 1); // Creature {2}{G}  1/2
+        addCard(Zone.BATTLEFIELD, playerA, "Forest", 3);
+        
+        addCard(Zone.BATTLEFIELD, playerB, "Forest", 1);
+        addCard(Zone.HAND, playerB, "Giant Growth", 1);
+
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA,  "Viridian Joiner");
+        
+        castSpell(3, PhaseStep.PRECOMBAT_MAIN, playerB,  "Giant Growth", "Viridian Joiner");
+        
+        setStopAt(3, PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        assertAllCommandsUsed();
+
+        assertGraveyardCount(playerB, "Giant Growth", 1);
+        assertPowerToughness(playerA, "Viridian Joiner", 4, 5);
+        
+        ManaOptions manaOptions = playerA.getAvailableManaTest(currentGame);
+        Assert.assertEquals("mana variations don't fit", 1, manaOptions.size());
+        assertManaOptions("{G}{G}{G}{G}{G}{G}{G}", manaOptions);
+    }    
+    
 }

Mage/src/main/java/mage/abilities/dynamicvalue/common/SourcePermanentPowerCount.java

@@ -31,7 +31,9 @@ public class SourcePermanentPowerCount implements DynamicValue {
     @Override
     public int calculate(Game game, Ability sourceAbility, Effect effect) {
         Permanent sourcePermanent = game.getPermanent(sourceAbility.getSourceId());
-        if (sourcePermanent == null || sourcePermanent.getZoneChangeCounter(game) > sourceAbility.getSourceObjectZoneChangeCounter()) {
+        if (sourcePermanent == null
+                || (sourceAbility.getSourceObjectZoneChangeCounter() > 0
+                && sourcePermanent.getZoneChangeCounter(game) > sourceAbility.getSourceObjectZoneChangeCounter())) {
             sourcePermanent = (Permanent) game.getLastKnownInformation(sourceAbility.getSourceId(), Zone.BATTLEFIELD);
         }
         if (sourcePermanent != null

Mage/src/main/java/mage/abilities/mana/DynamicManaAbility.java

@@ -79,17 +79,6 @@ public class DynamicManaAbility extends ActivatedManaAbilityImpl {
         return new DynamicManaAbility(this);
     }
 
-    @Override
-    public List<Mana> getNetMana(Game game) {
-        List<Mana> netMana = new ArrayList<>();
-        if (game != null) {
-            // TODO: effects from replacement effects like Mana Reflection are not considered yet
-            // TODO: effects that need a X payment (e.g. Mage-Ring Network) return always 0
-            netMana.addAll(manaEffect.getNetMana(game, this));
-        }
-        return netMana;
-    }
-
     @Override
     public boolean definesMana(Game game) {
         return true;