diff --git a/gemp-lotr/gemp-lotr-cards/src/main/java/com/gempukku/lotro/cards/set20/gandalf/Card20_155.java b/gemp-lotr/gemp-lotr-cards/src/main/java/com/gempukku/lotro/cards/set20/gandalf/Card20_155.java
new file mode 100644
index 000000000..af5f88d8a
--- /dev/null
+++ b/gemp-lotr/gemp-lotr-cards/src/main/java/com/gempukku/lotro/cards/set20/gandalf/Card20_155.java
@@ -0,0 +1,69 @@
+package com.gempukku.lotro.cards.set20.gandalf;
+
+import com.gempukku.lotro.cards.AbstractEvent;
+import com.gempukku.lotro.cards.PlayConditions;
+import com.gempukku.lotro.cards.actions.PlayEventAction;
+import com.gempukku.lotro.cards.effects.choose.ChooseAndExertCharactersEffect;
+import com.gempukku.lotro.common.*;
+import com.gempukku.lotro.filters.Filters;
+import com.gempukku.lotro.game.PhysicalCard;
+import com.gempukku.lotro.game.state.LotroGame;
+import com.gempukku.lotro.logic.decisions.CardsSelectionDecision;
+import com.gempukku.lotro.logic.decisions.DecisionResultInvalidException;
+import com.gempukku.lotro.logic.decisions.IntegerAwaitingDecision;
+import com.gempukku.lotro.logic.effects.DiscardCardsFromPlayEffect;
+import com.gempukku.lotro.logic.effects.PlayoutDecisionEffect;
+
+import java.util.Set;
+
+/**
+ * 3
+ * Discernment
+ * Gandalf	Event • Manuever
+ * Spell.
+ * Exert Gandalf twice and add X to discard up to four Shadow conditions, where X is the combined twilight cost of those conditions.
+ */
+public class Card20_155 extends AbstractEvent {
+    public Card20_155() {
+        super(Side.FREE_PEOPLE, 3, Culture.GANDALF, "Discernment", Phase.MANEUVER);
+        addKeyword(Keyword.SPELL);
+    }
+
+    @Override
+    public boolean checkPlayRequirements(String playerId, LotroGame game, PhysicalCard self, int withTwilightRemoved, int twilightModifier, boolean ignoreRoamingPenalty, boolean ignoreCheckingDeadPile) {
+        return super.checkPlayRequirements(playerId, game, self, withTwilightRemoved, twilightModifier, ignoreRoamingPenalty, ignoreCheckingDeadPile)
+                && PlayConditions.canExert(self, game, 2, Filters.gandalf);
+    }
+
+    @Override
+    public PlayEventAction getPlayCardAction(final String playerId, final LotroGame game, final PhysicalCard self, final int twilightModifier, boolean ignoreRoamingPenalty) {
+        final PlayEventAction action = new PlayEventAction(self);
+        action.appendCost(
+                new ChooseAndExertCharactersEffect(action, playerId, 1, 1, 2, Filters.gandalf));
+        action.appendCost(
+                new PlayoutDecisionEffect(playerId,
+                        new IntegerAwaitingDecision(1, "Choose X", 0, Integer.MAX_VALUE, 0) {
+                            @Override
+                            public void decisionMade(String result) throws DecisionResultInvalidException {
+                                final int x = getValidatedResult(result);
+                                action.appendEffect(
+                                        new PlayoutDecisionEffect(playerId,
+                                                new CardsSelectionDecision(1, "Choose up to 4 Shadow conditions with combined twilight cost of up to "+x,
+                                                        Filters.filterActive(game.getGameState(), game.getModifiersQuerying(), Side.SHADOW, CardType.CONDITION, Filters.canBeDiscarded(self)), 0, 4) {
+                                                    @Override
+                                                    public void decisionMade(String result) throws DecisionResultInvalidException {
+                                                        Set<PhysicalCard> selectedCardsByResponse = getSelectedCardsByResponse(result);
+                                                        int twilightTotal = 0;
+                                                        for (PhysicalCard physicalCard : selectedCardsByResponse)
+                                                            twilightTotal+=physicalCard.getBlueprint().getTwilightCost();
+                                                        if (twilightTotal>x)
+                                                            throw new DecisionResultInvalidException("You have chosen conditions of combined twilight cost of "+twilightTotal);
+                                                        action.appendEffect(
+                                                                new DiscardCardsFromPlayEffect(self, Filters.in(selectedCardsByResponse)));
+                                                    }
+                                                }));
+                            }
+                        }));
+        return action;
+    }
+}