Some minor changes.

Mage.Server.Plugins/Mage.Deck.Constructed/src/mage/deck/TinyLeaders.java

@@ -188,7 +188,7 @@ public class TinyLeaders extends DeckValidator {
                 valid = false;
             }
         } else {
-            invalid.put("Commander", "Sideboard must contain only the commander");
+            invalid.put("Commander", "Sideboard must contain only the commander and a maximum of 10 sideboard cards");
             valid = false;
         }
 

Mage.Sets/src/mage/sets/futuresight/YixlidJailer.java

@@ -102,6 +102,7 @@ class YixlidJailerEffect extends ContinuousEffectImpl {
                         for (Card card : player.getGraveyard().getCards(game)) {
                             if (card != null) {
                                 card.getAbilities().clear(); // Will the abilities ever come back????
+                                // TODO: Fix that (LevelX2)
                                 // game.getContinuousEffects().removeGainedEffectsForSource(card.getId());
                                 // game.getState().resetTriggersForSourceId(card.getId());
                                 Abilities abilities = game.getState().getAllOtherAbilities(card.getId());

Mage.Sets/src/mage/sets/magic2010/TrumpetBlast.java

@@ -28,11 +28,11 @@
 package mage.sets.magic2010;
 
 import java.util.UUID;
+import mage.abilities.effects.common.continious.BoostAllEffect;
+import mage.cards.CardImpl;
 import mage.constants.CardType;
 import mage.constants.Duration;
 import mage.constants.Rarity;
-import mage.abilities.effects.common.continious.BoostAllEffect;
-import mage.cards.CardImpl;
 import mage.filter.common.FilterAttackingCreature;
 
 /**
@@ -47,8 +47,7 @@ public class TrumpetBlast extends CardImpl {
         super(ownerId, 160, "Trumpet Blast", Rarity.COMMON, new CardType[]{CardType.INSTANT}, "{2}{R}");
         this.expansionSetCode = "M10";
 
-        this.color.setRed(true);
-
+        // Attacking creatures get +2/+0 until end of turn.
         this.getSpellAbility().addEffect(new BoostAllEffect(2, 0, Duration.EndOfTurn, filter, false));
     }
 

Mage.Sets/src/mage/sets/shadowmoor/DemigodOfRevenge.java

@@ -106,7 +106,7 @@ class DemigodOfRevengeTriggeredAbility extends TriggeredAbilityImpl {
 
     @Override
     public String getRule() {
-        return "When you cast Demigod of Revenge, " + super.getRule();
+        return "When you cast {this}, " + super.getRule();
     }
 }
 
@@ -133,9 +133,9 @@ class DemigodOfRevengeReturnEffect extends OneShotEffect {
 
     @Override
     public boolean apply(Game game, Ability source) {
-        Player player = game.getPlayer(source.getControllerId());
-        if (player != null) {
-            for (Card creature : player.getGraveyard().getCards(filter, game)) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            for (Card creature : controller.getGraveyard().getCards(filter, game)) {
                 creature.putOntoBattlefield(game, Zone.GRAVEYARD, source.getSourceId(), source.getControllerId());
             }
             return true;

Mage.Sets/src/mage/sets/worldwake/CreepingTarPit.java

@@ -53,9 +53,15 @@ public class CreepingTarPit extends CardImpl {
     public CreepingTarPit (UUID ownerId) {
         super(ownerId, 134, "Creeping Tar Pit", Rarity.RARE, new CardType[]{CardType.LAND}, null);
         this.expansionSetCode = "WWK";
+
+        // Creeping Tar Pit enters the battlefield tapped.
         this.addAbility(new EntersBattlefieldTappedAbility());
+
+        // {T}: Add {U} or {B} to your mana pool.
         this.addAbility(new BlueManaAbility());
         this.addAbility(new BlackManaAbility());
+        
+        // {1}{U}{B}: Until end of turn, Creeping Tar Pit becomes a 3/2 blue and black Elemental creature and is unblockable. It's still a land.
         this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new BecomesCreatureSourceEffect(new CreepingTarPitToken(), "land", Duration.EndOfTurn), new ManaCostsImpl("{1}{U}{B}")));
     }
 

Mage/src/mage/abilities/AbilitiesImpl.java

@@ -35,7 +35,6 @@ import java.util.List;
 import java.util.UUID;
 import mage.abilities.common.ZoneChangeTriggeredAbility;
 import mage.abilities.costs.AlternativeCost;
-import mage.abilities.costs.AlternativeSourceCosts;
 import mage.abilities.costs.Cost;
 import mage.abilities.keyword.ProtectionAbility;
 import mage.abilities.mana.ManaAbility;
@@ -300,6 +299,16 @@ public class AbilitiesImpl<T extends Ability> extends ArrayList<T> implements Ab
         return false;
     }
 
+    @Override
+    public boolean containsClass(Class classObject) {
+        for (T ability: this) {
+            if (ability.getClass().equals(classObject)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public T get(UUID abilityId) {
         for (T ability: this) {

Mage/src/mage/cards/repository/CardRepository.java

@@ -60,7 +60,7 @@ public enum CardRepository {
     // raise this if db structure was changed
     private static final long CARD_DB_VERSION = 36;
     // raise this if new cards were added to the server
-    private static final long CARD_CONTENT_VERSION = 4;
+    private static final long CARD_CONTENT_VERSION = 5;
 
     private final Random random = new Random();
     private Dao<CardInfo, Object> cardDao;