From 0ec39af9408617a3a92b2b9466aa8df750b469bd Mon Sep 17 00:00:00 2001
From: L_J <Zzooouhh@users.noreply.github.com>
Date: Mon, 21 May 2018 12:48:11 +0000
Subject: [PATCH] Fixed #4960

---
 Mage.Sets/src/mage/cards/d/Desolation.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Mage.Sets/src/mage/cards/d/Desolation.java b/Mage.Sets/src/mage/cards/d/Desolation.java
index 8582d1b01a2..f225a86305a 100644
--- a/Mage.Sets/src/mage/cards/d/Desolation.java
+++ b/Mage.Sets/src/mage/cards/d/Desolation.java
@@ -33,6 +33,7 @@ import java.util.UUID;
 import mage.abilities.Ability;
 import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
 import mage.abilities.effects.OneShotEffect;
+import mage.cards.Card;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
@@ -148,7 +149,10 @@ class DesolationWatcher extends Watcher {
         if (event.getType() == GameEvent.EventType.TAPPED_FOR_MANA) {
             UUID playerId = event.getPlayerId();
             if (playerId != null) {
-                tappedForManaThisTurnPlayers.add(playerId);
+                Card card = game.getCard(event.getSourceId());
+                if (card != null && card.isLand()) {
+                    tappedForManaThisTurnPlayers.add(playerId);
+                }
             }
         }
     }