add doc comments for usage of default watchers

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

@@ -8,8 +8,6 @@ import mage.game.Game;
 import mage.watchers.common.CardsDrawnThisTurnWatcher;
 
 /**
- * Don't forget to add CardsDrawnThisTurnWatcher in card's definition
- *
  * @author TheElk801
  */
 public enum CardsDrawnThisTurnDynamicValue implements DynamicValue {
@@ -45,4 +43,3 @@ public enum CardsDrawnThisTurnDynamicValue implements DynamicValue {
         return hint;
     }
 }
-

Mage/src/main/java/mage/game/GameImpl.java

@@ -1340,10 +1340,10 @@ public abstract class GameImpl implements Game {
         newWatchers.add(new CastSpellLastTurnWatcher());
         newWatchers.add(new PlayerLostLifeWatcher());
         newWatchers.add(new BlockedAttackerWatcher());
-        newWatchers.add(new DamageDoneWatcher());
-        newWatchers.add(new PlanarRollWatcher());
+        newWatchers.add(new DamageDoneWatcher()); // TODO: no need to be default watcher
+        newWatchers.add(new PlanarRollWatcher()); // TODO: no need to be default watcher
         newWatchers.add(new AttackedThisTurnWatcher());
-        newWatchers.add(new PlayersAttackedThisTurnWatcher());
+        newWatchers.add(new PlayersAttackedThisTurnWatcher()); // TODO: no need to be default watcher
         newWatchers.add(new CardsDrawnThisTurnWatcher());
         newWatchers.add(new ManaSpentToCastWatcher());
         newWatchers.add(new ManaPaidSourceWatcher());

Mage/src/main/java/mage/watchers/common/AttackedThisTurnWatcher.java

@@ -23,6 +23,9 @@ public class AttackedThisTurnWatcher extends Watcher {
     // issue with Robber of the Rich.  it needs to check the subtype of the LKI of the permanent on the battlefield and this fails with MageObjectReference
     private final Set<Permanent> attackedThisTurnCreaturesPermanentLKI = new HashSet<>();
 
+    /**
+     * Game default watcher
+     */
     public AttackedThisTurnWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/BlockingOrBlockedWatcher.java

@@ -16,6 +16,9 @@ public class BlockingOrBlockedWatcher extends Watcher {
 
     private final Map<MageObjectReference, Set<MageObjectReference>> blockerMap = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public BlockingOrBlockedWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/CommanderPlaysCountWatcher.java

@@ -24,6 +24,9 @@ public class CommanderPlaysCountWatcher extends Watcher {
     private final Map<UUID, Integer> playsCount = new HashMap<>();
     private final Map<UUID, Integer> playerCount = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public CommanderPlaysCountWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/EndStepCountWatcher.java

@@ -17,6 +17,9 @@ public class EndStepCountWatcher extends Watcher {
 
     private final Map<UUID, Integer> playerMap = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public EndStepCountWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/ManaPaidSourceWatcher.java

@@ -110,6 +110,9 @@ public class ManaPaidSourceWatcher extends Watcher {
     private static final ManaPaidTracker emptyTracker = new ManaPaidTracker();
     private final Map<UUID, ManaPaidTracker> manaMap = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public ManaPaidSourceWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/ManaSpentToCastWatcher.java

@@ -24,6 +24,9 @@ public class ManaSpentToCastWatcher extends Watcher {
 
     private final Map<MageObjectReference, Mana> manaMap = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public ManaSpentToCastWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/MorbidWatcher.java

@@ -15,6 +15,7 @@ public class MorbidWatcher extends Watcher {
 
     /**
      * Game default watcher
+     * TODO: Merge with CreaturesDiedWatcher
      */
     public MorbidWatcher() {
         super(WatcherScope.GAME);

Mage/src/main/java/mage/watchers/common/SpellsCastWatcher.java

@@ -24,6 +24,9 @@ public class SpellsCastWatcher extends Watcher {
     private final Map<UUID, List<Spell>> spellsCastFromGraveyard = new HashMap<>();
     private int nonCreatureSpells;
 
+    /**
+     * Game default watcher
+     */
     public SpellsCastWatcher() {
         super(WatcherScope.GAME);
     }

Mage/src/main/java/mage/watchers/common/TemptedByTheRingWatcher.java

@@ -17,6 +17,9 @@ public class TemptedByTheRingWatcher extends Watcher {
 
     private final Map<UUID, Integer> map = new HashMap<>();
 
+    /**
+     * Game default watcher
+     */
     public TemptedByTheRingWatcher() {
         super(WatcherScope.GAME);
     }