From ef010bc2f3c428d8709e517432569486ece4495c Mon Sep 17 00:00:00 2001
From: "jeff@delmarus.com" <>
Date: Sat, 14 Aug 2021 12:15:58 -0500
Subject: [PATCH] Wrenn and Six emblem can now add the retrace ability to their
 legal sides.  But, the issue with casting fused split-cards remains.  It
 should not be allowed from the graveyard zone, only the hand.

---
 .../command/emblems/WrennAndSixEmblem.java    | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/Mage/src/main/java/mage/game/command/emblems/WrennAndSixEmblem.java b/Mage/src/main/java/mage/game/command/emblems/WrennAndSixEmblem.java
index be51a060e39..7433864b775 100644
--- a/Mage/src/main/java/mage/game/command/emblems/WrennAndSixEmblem.java
+++ b/Mage/src/main/java/mage/game/command/emblems/WrennAndSixEmblem.java
@@ -12,6 +12,10 @@ import mage.game.command.Emblem;
 import mage.players.Player;
 
 import java.util.UUID;
+import mage.cards.ModalDoubleFacesCard;
+import mage.cards.ModalDoubleFacesCardHalf;
+import mage.cards.SplitCard;
+import mage.cards.SplitCardHalf;
 
 /**
  * @author TheElk801
@@ -26,6 +30,7 @@ public final class WrennAndSixEmblem extends Emblem {
 }
 
 class WrennAndSixEmblemEffect extends ContinuousEffectImpl {
+
     WrennAndSixEmblemEffect() {
         super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
         staticText = "Instant and sorcery cards in your graveyard have retrace.";
@@ -46,6 +51,38 @@ class WrennAndSixEmblemEffect extends ContinuousEffectImpl {
             if (card == null) {
                 continue;
             }
+            if (card instanceof SplitCard) {
+                SplitCardHalf leftHalfCard = ((SplitCard) card).getLeftHalfCard();
+                SplitCardHalf rightHalfCard = ((SplitCard) card).getRightHalfCard();
+                if (leftHalfCard.isInstantOrSorcery(game)) {
+                    Ability ability = new RetraceAbility(leftHalfCard);
+                    ability.setSourceId(cardId);
+                    ability.setControllerId(leftHalfCard.getOwnerId());
+                    game.getState().addOtherAbility(leftHalfCard, ability);
+                }
+                if (rightHalfCard.isInstantOrSorcery(game)) {
+                    Ability ability = new RetraceAbility(rightHalfCard);
+                    ability.setSourceId(cardId);
+                    ability.setControllerId(rightHalfCard.getOwnerId());
+                    game.getState().addOtherAbility(rightHalfCard, ability);
+                }
+            }
+            if (card instanceof ModalDoubleFacesCard) {
+                ModalDoubleFacesCardHalf leftHalfCard = ((ModalDoubleFacesCard) card).getLeftHalfCard();
+                ModalDoubleFacesCardHalf rightHalfCard = ((ModalDoubleFacesCard) card).getRightHalfCard();
+                if (leftHalfCard.isInstantOrSorcery(game)) {
+                    Ability ability = new RetraceAbility(leftHalfCard);
+                    ability.setSourceId(cardId);
+                    ability.setControllerId(leftHalfCard.getOwnerId());
+                    game.getState().addOtherAbility(leftHalfCard, ability);
+                }
+                if (rightHalfCard.isInstantOrSorcery(game)) {
+                    Ability ability = new RetraceAbility(rightHalfCard);
+                    ability.setSourceId(cardId);
+                    ability.setControllerId(rightHalfCard.getOwnerId());
+                    game.getState().addOtherAbility(rightHalfCard, ability);
+                }
+            }
             if (card instanceof AdventureCard) {
                 // Adventure cards are castable per https://twitter.com/elishffrn/status/1179047911729946624
                 card = ((AdventureCard) card).getSpellCard();