From 65ad97ced54fafd680f298d7a2878dcb6252bdf4 Mon Sep 17 00:00:00 2001
From: Oleg Agafonov <jaydi85@gmail.com>
Date: Mon, 22 Feb 2021 07:58:31 +0400
Subject: [PATCH] * King Narfi's Betrayal - fixed rollback error on no targets
 for exile;

---
 Mage/src/main/java/mage/players/PlayerImpl.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Mage/src/main/java/mage/players/PlayerImpl.java b/Mage/src/main/java/mage/players/PlayerImpl.java
index 771e1b8bad..f3b7debffc 100644
--- a/Mage/src/main/java/mage/players/PlayerImpl.java
+++ b/Mage/src/main/java/mage/players/PlayerImpl.java
@@ -4180,7 +4180,9 @@ public abstract class PlayerImpl implements Player, Serializable {
     @Override
     public boolean moveCardsToExile(Card card, Ability source, Game game, boolean withName, UUID exileId, String exileZoneName) {
         Set<Card> cards = new HashSet<>();
-        cards.add(card);
+        if (card != null) {
+            cards.add(card);
+        }
         return moveCardsToExile(cards, source, game, withName, exileId, exileZoneName);
     }