From bd413d27496e4c2c831697ec72c5ea05f1d4b4e2 Mon Sep 17 00:00:00 2001
From: LevelX2 <ludwig.hirth@online.de>
Date: Mon, 24 Aug 2020 16:53:08 +0200
Subject: [PATCH] * Workaround for StackOverflowError #6994. Don't know yet why
 the loop happens - why the LookAtTopCardOfLibraryAnyTimeEffect is called
 during mana calculation..

---
 .../common/continuous/LookAtTopCardOfLibraryAnyTimeEffect.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Mage/src/main/java/mage/abilities/effects/common/continuous/LookAtTopCardOfLibraryAnyTimeEffect.java b/Mage/src/main/java/mage/abilities/effects/common/continuous/LookAtTopCardOfLibraryAnyTimeEffect.java
index 0913b434b9d..3c1ae950d5a 100644
--- a/Mage/src/main/java/mage/abilities/effects/common/continuous/LookAtTopCardOfLibraryAnyTimeEffect.java
+++ b/Mage/src/main/java/mage/abilities/effects/common/continuous/LookAtTopCardOfLibraryAnyTimeEffect.java
@@ -27,6 +27,9 @@ public class LookAtTopCardOfLibraryAnyTimeEffect extends ContinuousEffectImpl {
 
     @Override
     public boolean apply(Game game, Ability source) {
+        if (game.inCheckPlayableState()) { // Ignored - see https://github.com/magefree/mage/issues/6994
+            return false;
+        }        
         Player controller = game.getPlayer(source.getControllerId());
         if (controller == null) {
             return false;