* AI: fixed that computer can't target cards on battlefield if it contains tokens;

Mage.Client/src/main/java/org/mage/card/arcane/CardRenderer.java

@@ -18,41 +18,40 @@ import mage.view.PermanentView;
 
 import java.awt.*;
 import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
 import java.awt.image.RasterFormatException;
 import java.util.ArrayList;
 import java.util.List;
-import java.awt.image.BufferedImage;
 
 /**
  * @author stravant@gmail.com
- *
+ * <p>
  * Common base class for card renderers for each card frame / card type.
- *
+ * <p>
  * Follows the template method pattern to implement a new renderer, implement
  * the following methods (they are called in the following order):
- *
+ * <p>
  * * drawBorder() Draws the outermost border of the card, white border or black
  * border
- *
+ * <p>
  * * drawBackground() Draws the background texture / color of the card
- *
+ * <p>
  * * drawArt() Draws the card's art
- *
+ * <p>
  * * drawFrame() Draws the card frame (over the art and background)
- *
+ * <p>
  * * drawOverlays() Draws summoning sickness and possible other overlays
- *
+ * <p>
  * * drawCounters() Draws counters on the card, such as +1/+1 and -1/-1
  * counters
- *
+ * <p>
  * Predefined methods that the implementations can use:
- *
+ * <p>
  * * drawRules(font, bounding box)
- *
+ * <p>
  * * drawNameLine(font, bounding box)
- *
+ * <p>
  * * drawTypeLine(font, bounding box)
- *
  */
 public abstract class CardRenderer {
 
@@ -253,10 +252,10 @@ public abstract class CardRenderer {
                 int x2 = (int) (0.8 * cardWidth);
                 int y1 = (int) (0.2 * cardHeight);
                 int y2 = (int) (0.8 * cardHeight);
-                int xPoints[] = {
+                int[] xPoints = {
                         x1, x2, x1, x2
                 };
-                int yPoints[] = {
+                int[] yPoints = {
                         y1, y1, y2, y2
                 };
                 g.setColor(new Color(255, 255, 255, 200));
@@ -438,6 +437,7 @@ public abstract class CardRenderer {
     }
 
     private Color getRarityColor() {
+        if (cardView.getRarity() != null) {
             switch (cardView.getRarity()) {
                 case RARE:
                     return new Color(255, 191, 0);
@@ -453,6 +453,10 @@ public abstract class CardRenderer {
                 default:
                     return Color.black;
             }
+        } else {
+            // tokens
+            return Color.black;
+        }
     }
 
     // Get a string representing the type line

Mage.Tests/src/test/java/org/mage/test/cards/triggers/EnterLeaveBattlefieldExileTargetTest.java

@@ -70,4 +70,40 @@ public class EnterLeaveBattlefieldExileTargetTest extends CardTestPlayerBase {
         assertHandCount(playerB, "Pillarfield Ox", 1);
         assertExileCount(playerB, 0);
     }
+
+    @Test
+    public void testAngelOfSerenityTargets() {
+        // test NPE error while AI targeting battlefield with tokens
+
+        // Flying
+        // When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
+        addCard(Zone.HAND, playerA, "Angel of Serenity");
+        addCard(Zone.BATTLEFIELD, playerA, "Plains", 7);
+        //
+        // Create two 2/2 white Knight Ally creature tokens.
+        addCard(Zone.HAND, playerA, "Allied Reinforcements", 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Plains", 4);
+        //
+        addCard(Zone.BATTLEFIELD, playerA, "Silvercoat Lion", 2);
+        addCard(Zone.BATTLEFIELD, playerB, "Balduvian Bears", 2);
+        addCard(Zone.GRAVEYARD, playerA, "Silvercoat Lion", 2);
+        addCard(Zone.GRAVEYARD, playerB, "Balduvian Bears", 2);
+
+        // create tokens
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Allied Reinforcements");
+        waitStackResolved(1, PhaseStep.PRECOMBAT_MAIN);
+
+        // angel
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Angel of Serenity");
+        setChoice(playerA, "Yes");
+        //addTarget(playerA, "Silvercoat Lion^Balduvian Bears"); // AI must target
+
+        //setStrictChooseMode(true); // AI must target
+        setStopAt(1, PhaseStep.POSTCOMBAT_MAIN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertPermanentCount(playerA, "Knight Ally", 2);
+        assertPermanentCount(playerA, "Angel of Serenity", 1);
+    }
 }

Mage/src/main/java/mage/cards/Card.java

@@ -1,8 +1,5 @@
-
 package mage.cards;
 
-import java.util.List;
-import java.util.UUID;
 import mage.MageObject;
 import mage.Mana;
 import mage.abilities.Abilities;
@@ -17,13 +14,16 @@ import mage.game.Game;
 import mage.game.GameState;
 import mage.game.permanent.Permanent;
 
+import java.util.List;
+import java.util.UUID;
+
 public interface Card extends MageObject {
 
     UUID getOwnerId();
 
     String getCardNumber();
 
-    Rarity getRarity();
+    Rarity getRarity(); // null for tokens
 
     void setOwnerId(UUID ownerId);
 
@@ -122,7 +122,6 @@ public interface Card extends MageObject {
     List<Mana> getMana();
 
     /**
-     *
      * @return true if there exists various art images for this card
      */
     boolean getUsesVariousArt();
@@ -149,7 +148,6 @@ public interface Card extends MageObject {
     Card copy();
 
     /**
-     *
      * @return The main card of a split half card or adventure spell card, otherwise the card itself is
      * returned
      */

Mage/src/main/java/mage/game/draft/RateCard.java

@@ -186,6 +186,7 @@ public final class RateCard {
         // ratings from card rarity
         // some cards can have different rarity -- it's will be used from first set
         int newRating;
+        if (card.getRarity() != null) {
             switch (card.getRarity()) {
                 case COMMON:
                     newRating = DEFAULT_NOT_RATED_CARD_RATING;
@@ -203,6 +204,10 @@ public final class RateCard {
                     newRating = DEFAULT_NOT_RATED_CARD_RATING;
                     break;
             }
+        } else {
+            // tokens
+            newRating = DEFAULT_NOT_RATED_CARD_RATING;
+        }
 
         int oldRating = baseRatings.getOrDefault(card.getName(), 0);
         if (oldRating != 0 && oldRating != newRating) {