Emissary of Grudges, Stalking Leonin

forge-game/src/main/java/forge/game/ability/effects/ChoosePlayerEffect.java

@@ -53,7 +53,11 @@ public class ChoosePlayerEffect extends SpellAbilityEffect {
                     chosen = choices.isEmpty() ? null : p.getController().chooseSingleEntityForEffect(choices, sa, choiceDesc, null);
                 }
                 if( null != chosen ) {
-                    card.setChosenPlayer(chosen);
+                    if (sa.hasParam("Secretly")) {
+                        card.setSecretChosenPlayer(chosen);
+                    } else {
+                        card.setChosenPlayer(chosen);
+                    }
                     if (sa.hasParam("ForgetOtherRemembered")) {
                         card.clearRemembered();
                     }

forge-game/src/main/java/forge/game/card/Card.java

@@ -1660,6 +1660,12 @@ public class Card extends GameEntity implements Comparable<Card>, IHasSVars {
         chosenPlayer = p;
         view.updateChosenPlayer(this);
     }
+    public final void setSecretChosenPlayer(final Player p) {
+        chosenPlayer = p;
+    }
+    public final void revealChosenPlayer() {
+        view.updateChosenPlayer(this);
+    }
 
     public final boolean hasChosenNumber() {
         return chosenNumber != null;

forge-game/src/main/java/forge/game/cost/Cost.java

@@ -482,6 +482,10 @@ public class Cost implements Serializable {
             return new CostExert(splitStr[0], splitStr[1], description);
         }
 
+        if (parse.equals("RevealChosenPlayer")) {
+            return new CostRevealChosenPlayer();
+        }
+
         // These won't show up with multiples
         if (parse.equals("Untap") || parse.equals("Q")) {
             return new CostUntap();

forge-game/src/main/java/forge/game/cost/CostRevealChosenPlayer.java

@@ -0,0 +1,68 @@
+/*
+ * Forge: Play Magic: the Gathering.
+ * Copyright (C) 2011  Forge Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package forge.game.cost;
+
+import forge.game.card.Card;
+import forge.game.player.Player;
+import forge.game.spellability.SpellAbility;
+
+public class CostRevealChosenPlayer extends CostPart {
+
+    /**
+     * Serializables need a version ID.
+     */
+    private static final long serialVersionUID = 1L;
+
+    public CostRevealChosenPlayer() { }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see forge.card.cost.CostPart#toString()
+     */
+    @Override
+    public final String toString() {
+        return "Reveal the player you chose";
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see
+     * forge.card.cost.CostPart#canPay(forge.card.spellability.SpellAbility,
+     * forge.Card, forge.Player, forge.card.cost.Cost)
+     */
+    @Override
+    public final boolean canPay(final SpellAbility ability, final Player activator) {
+        final Card source = ability.getHostCard();
+
+        return source.getChosenPlayer() != null && source.getTurnInController().equals(activator);
+    }
+
+    @Override
+    public boolean payAsDecided(Player ai, PaymentDecision decision, SpellAbility ability) {
+        ability.getHostCard().revealChosenPlayer();
+        return true;
+    }
+
+    // Inputs
+    public <T> T accept(ICostVisitor<T> visitor) {
+        return visitor.visit(this);
+    }
+
+}

forge-game/src/main/java/forge/game/cost/ICostVisitor.java

@@ -23,6 +23,7 @@ public interface ICostVisitor<T> {
     T visit(CostSacrifice cost);
     T visit(CostReturn cost);
     T visit(CostReveal cost);
+    T visit(CostRevealChosenPlayer cost);
     T visit(CostRemoveAnyCounter cost);
     T visit(CostRemoveCounter cost);
     T visit(CostPutCounter cost);
@@ -138,6 +139,11 @@ public interface ICostVisitor<T> {
             return null;
         }
 
+        @Override
+        public T visit(CostRevealChosenPlayer cost) {
+            return null;
+        }
+
         @Override
         public T visit(CostRemoveAnyCounter cost) {
             return null;