diff --git a/Mage.Sets/src/mage/cards/r/RadiantScrollwielder.java b/Mage.Sets/src/mage/cards/r/RadiantScrollwielder.java
index f0d8ec21e9..bd2a6a217e 100644
--- a/Mage.Sets/src/mage/cards/r/RadiantScrollwielder.java
+++ b/Mage.Sets/src/mage/cards/r/RadiantScrollwielder.java
@@ -164,7 +164,7 @@ class RadiantScrollwielderWatcher extends Watcher {
 
     @Override
     public void watch(GameEvent event, Game game) {
-        if (event.getType() != GameEvent.EventType.SPELL_CAST) {
+        if (event.getType() != GameEvent.EventType.SPELL_CAST || event.getAdditionalReference() == null) {
             return;
         }
         morMap.put(