Added verify test to check missing second face cards in sets, fixed missing cards;

Mage.Sets/src/mage/sets/EldritchMoon.java

@@ -1,4 +1,3 @@
-
 package mage.sets;
 
 import mage.cards.ExpansionSet;
@@ -6,7 +5,6 @@ import mage.constants.Rarity;
 import mage.constants.SetType;
 
 /**
- *
  * @author fireshoes
  */
 public final class EldritchMoon extends ExpansionSet {

Mage.Sets/src/mage/sets/Innistrad.java

@@ -1,4 +1,3 @@
-
 package mage.sets;
 
 import mage.cards.ExpansionSet;
@@ -26,18 +25,19 @@ public final class Innistrad extends ExpansionSet {
         this.numBoosterRare = 1;
         this.ratioBoosterMythic = 8;
         this.numBoosterDoubleFaced = 1;
+
         cards.add(new SetCardInfo("Abattoir Ghoul", 85, Rarity.UNCOMMON, mage.cards.a.AbattoirGhoul.class));
         cards.add(new SetCardInfo("Abbey Griffin", 1, Rarity.COMMON, mage.cards.a.AbbeyGriffin.class));
         cards.add(new SetCardInfo("Altar's Reap", 86, Rarity.COMMON, mage.cards.a.AltarsReap.class));
         cards.add(new SetCardInfo("Ambush Viper", 169, Rarity.COMMON, mage.cards.a.AmbushViper.class));
         cards.add(new SetCardInfo("Ancient Grudge", 127, Rarity.COMMON, mage.cards.a.AncientGrudge.class));
-        cards.add(new SetCardInfo("Angelic Overseer", 3, Rarity.MYTHIC, mage.cards.a.AngelicOverseer.class));
         cards.add(new SetCardInfo("Angel of Flight Alabaster", 2, Rarity.RARE, mage.cards.a.AngelOfFlightAlabaster.class));
+        cards.add(new SetCardInfo("Angelic Overseer", 3, Rarity.MYTHIC, mage.cards.a.AngelicOverseer.class));
         cards.add(new SetCardInfo("Armored Skaab", 43, Rarity.COMMON, mage.cards.a.ArmoredSkaab.class));
         cards.add(new SetCardInfo("Army of the Damned", 87, Rarity.MYTHIC, mage.cards.a.ArmyOfTheDamned.class));
         cards.add(new SetCardInfo("Ashmouth Hound", 128, Rarity.COMMON, mage.cards.a.AshmouthHound.class));
-        cards.add(new SetCardInfo("Avacynian Priest", 4, Rarity.COMMON, mage.cards.a.AvacynianPriest.class));
         cards.add(new SetCardInfo("Avacyn's Pilgrim", 170, Rarity.COMMON, mage.cards.a.AvacynsPilgrim.class));
+        cards.add(new SetCardInfo("Avacynian Priest", 4, Rarity.COMMON, mage.cards.a.AvacynianPriest.class));
         cards.add(new SetCardInfo("Back from the Brink", 44, Rarity.RARE, mage.cards.b.BackFromTheBrink.class));
         cards.add(new SetCardInfo("Balefire Dragon", 129, Rarity.MYTHIC, mage.cards.b.BalefireDragon.class));
         cards.add(new SetCardInfo("Bane of Hanweir", 145, Rarity.UNCOMMON, mage.cards.b.BaneOfHanweir.class));
@@ -120,12 +120,12 @@ public final class Innistrad extends ExpansionSet {
         cards.add(new SetCardInfo("Gatstaf Howler", 182, Rarity.UNCOMMON, mage.cards.g.GatstafHowler.class));
         cards.add(new SetCardInfo("Gatstaf Shepherd", 182, Rarity.UNCOMMON, mage.cards.g.GatstafShepherd.class));
         cards.add(new SetCardInfo("Gavony Township", 239, Rarity.RARE, mage.cards.g.GavonyTownship.class));
+        cards.add(new SetCardInfo("Geist of Saint Traft", 213, Rarity.MYTHIC, mage.cards.g.GeistOfSaintTraft.class));
+        cards.add(new SetCardInfo("Geist-Honored Monk", 17, Rarity.RARE, mage.cards.g.GeistHonoredMonk.class));
         cards.add(new SetCardInfo("Geistcatcher's Rig", 223, Rarity.UNCOMMON, mage.cards.g.GeistcatchersRig.class));
         cards.add(new SetCardInfo("Geistflame", 144, Rarity.COMMON, mage.cards.g.Geistflame.class));
-        cards.add(new SetCardInfo("Geist-Honored Monk", 17, Rarity.RARE, mage.cards.g.GeistHonoredMonk.class));
-        cards.add(new SetCardInfo("Geist of Saint Traft", 213, Rarity.MYTHIC, mage.cards.g.GeistOfSaintTraft.class));
-        cards.add(new SetCardInfo("Ghostly Possession", 18, Rarity.COMMON, mage.cards.g.GhostlyPossession.class));
         cards.add(new SetCardInfo("Ghost Quarter", 240, Rarity.UNCOMMON, mage.cards.g.GhostQuarter.class));
+        cards.add(new SetCardInfo("Ghostly Possession", 18, Rarity.COMMON, mage.cards.g.GhostlyPossession.class));
         cards.add(new SetCardInfo("Ghoulcaller's Bell", 224, Rarity.COMMON, mage.cards.g.GhoulcallersBell.class));
         cards.add(new SetCardInfo("Ghoulcaller's Chant", 101, Rarity.COMMON, mage.cards.g.GhoulcallersChant.class));
         cards.add(new SetCardInfo("Ghoulraiser", 102, Rarity.COMMON, mage.cards.g.Ghoulraiser.class));
@@ -162,8 +162,8 @@ public final class Innistrad extends ExpansionSet {
         cards.add(new SetCardInfo("Island", 255, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Isolated Chapel", 242, Rarity.RARE, mage.cards.i.IsolatedChapel.class));
         cards.add(new SetCardInfo("Kessig Cagebreakers", 189, Rarity.RARE, mage.cards.k.KessigCagebreakers.class));
-        cards.add(new SetCardInfo("Kessig Wolf", 151, Rarity.COMMON, mage.cards.k.KessigWolf.class));
         cards.add(new SetCardInfo("Kessig Wolf Run", 243, Rarity.RARE, mage.cards.k.KessigWolfRun.class));
+        cards.add(new SetCardInfo("Kessig Wolf", 151, Rarity.COMMON, mage.cards.k.KessigWolf.class));
         cards.add(new SetCardInfo("Kindercatch", 190, Rarity.COMMON, mage.cards.k.Kindercatch.class));
         cards.add(new SetCardInfo("Krallenhorde Wantons", 185, Rarity.COMMON, mage.cards.k.KrallenhordeWantons.class));
         cards.add(new SetCardInfo("Kruin Outlaw", 152, Rarity.RARE, mage.cards.k.KruinOutlaw.class));
@@ -206,10 +206,10 @@ public final class Innistrad extends ExpansionSet {
         cards.add(new SetCardInfo("Naturalize", 197, Rarity.COMMON, mage.cards.n.Naturalize.class));
         cards.add(new SetCardInfo("Nephalia Drownyard", 245, Rarity.RARE, mage.cards.n.NephaliaDrownyard.class));
         cards.add(new SetCardInfo("Nevermore", 25, Rarity.RARE, mage.cards.n.Nevermore.class));
-        cards.add(new SetCardInfo("Nightbird's Clutches", 154, Rarity.COMMON, mage.cards.n.NightbirdsClutches.class));
-        cards.add(new SetCardInfo("Nightfall Predator", 176, Rarity.RARE, mage.cards.n.NightfallPredator.class));
         cards.add(new SetCardInfo("Night Revelers", 153, Rarity.COMMON, mage.cards.n.NightRevelers.class));
         cards.add(new SetCardInfo("Night Terrors", 111, Rarity.COMMON, mage.cards.n.NightTerrors.class));
+        cards.add(new SetCardInfo("Nightbird's Clutches", 154, Rarity.COMMON, mage.cards.n.NightbirdsClutches.class));
+        cards.add(new SetCardInfo("Nightfall Predator", 176, Rarity.RARE, mage.cards.n.NightfallPredator.class));
         cards.add(new SetCardInfo("Olivia Voldaren", 215, Rarity.MYTHIC, mage.cards.o.OliviaVoldaren.class));
         cards.add(new SetCardInfo("One-Eyed Scarecrow", 230, Rarity.COMMON, mage.cards.o.OneEyedScarecrow.class));
         cards.add(new SetCardInfo("Orchard Spirit", 198, Rarity.COMMON, mage.cards.o.OrchardSpirit.class));
@@ -245,8 +245,8 @@ public final class Innistrad extends ExpansionSet {
         cards.add(new SetCardInfo("Sharpened Pitchfork", 232, Rarity.UNCOMMON, mage.cards.s.SharpenedPitchfork.class));
         cards.add(new SetCardInfo("Shimmering Grotto", 246, Rarity.COMMON, mage.cards.s.ShimmeringGrotto.class));
         cards.add(new SetCardInfo("Silent Departure", 75, Rarity.COMMON, mage.cards.s.SilentDeparture.class));
-        cards.add(new SetCardInfo("Silverchase Fox", 31, Rarity.COMMON, mage.cards.s.SilverchaseFox.class));
         cards.add(new SetCardInfo("Silver-Inlaid Dagger", 233, Rarity.UNCOMMON, mage.cards.s.SilverInlaidDagger.class));
+        cards.add(new SetCardInfo("Silverchase Fox", 31, Rarity.COMMON, mage.cards.s.SilverchaseFox.class));
         cards.add(new SetCardInfo("Skaab Goliath", 76, Rarity.UNCOMMON, mage.cards.s.SkaabGoliath.class));
         cards.add(new SetCardInfo("Skaab Ruinator", 77, Rarity.MYTHIC, mage.cards.s.SkaabRuinator.class));
         cards.add(new SetCardInfo("Skeletal Grimace", 116, Rarity.COMMON, mage.cards.s.SkeletalGrimace.class));
@@ -281,8 +281,8 @@ public final class Innistrad extends ExpansionSet {
         cards.add(new SetCardInfo("Thraben Sentry", 38, Rarity.COMMON, mage.cards.t.ThrabenSentry.class));
         cards.add(new SetCardInfo("Tormented Pariah", 165, Rarity.COMMON, mage.cards.t.TormentedPariah.class));
         cards.add(new SetCardInfo("Traitorous Blood", 166, Rarity.COMMON, mage.cards.t.TraitorousBlood.class));
-        cards.add(new SetCardInfo("Traveler's Amulet", 234, Rarity.COMMON, mage.cards.t.TravelersAmulet.class));
         cards.add(new SetCardInfo("Travel Preparations", 206, Rarity.COMMON, mage.cards.t.TravelPreparations.class));
+        cards.add(new SetCardInfo("Traveler's Amulet", 234, Rarity.COMMON, mage.cards.t.TravelersAmulet.class));
         cards.add(new SetCardInfo("Tree of Redemption", 207, Rarity.MYTHIC, mage.cards.t.TreeOfRedemption.class));
         cards.add(new SetCardInfo("Trepanation Blade", 235, Rarity.UNCOMMON, mage.cards.t.TrepanationBlade.class));
         cards.add(new SetCardInfo("Tribute to Hunger", 119, Rarity.UNCOMMON, mage.cards.t.TributeToHunger.class));

Mage.Sets/src/mage/sets/MagicOnlinePromos.java

@@ -66,6 +66,7 @@ public class MagicOnlinePromos extends ExpansionSet {
         cards.add(new SetCardInfo("Arc Lightning", 36116, Rarity.COMMON, mage.cards.a.ArcLightning.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Arc Lightning", 55791, Rarity.RARE, mage.cards.a.ArcLightning.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Arcanis the Omnipotent", 54547, Rarity.MYTHIC, mage.cards.a.ArcanisTheOmnipotent.class));
+        cards.add(new SetCardInfo("Archdemon of Greed", 43503, Rarity.RARE, mage.cards.a.ArchdemonOfGreed.class));
         cards.add(new SetCardInfo("Archfiend of Depravity", 55711, Rarity.RARE, mage.cards.a.ArchfiendOfDepravity.class));
         cards.add(new SetCardInfo("Archfiend of Ifnir", 64422, Rarity.RARE, mage.cards.a.ArchfiendOfIfnir.class));
         cards.add(new SetCardInfo("Archon of the Triumvirate", 46877, Rarity.RARE, mage.cards.a.ArchonOfTheTriumvirate.class));
@@ -553,6 +554,7 @@ public class MagicOnlinePromos extends ExpansionSet {
         cards.add(new SetCardInfo("Hoodwink", 62449, Rarity.COMMON, mage.cards.h.Hoodwink.class));
         cards.add(new SetCardInfo("Hordeling Outburst", 55783, Rarity.UNCOMMON, mage.cards.h.HordelingOutburst.class));
         cards.add(new SetCardInfo("Hostage Taker", 69987, Rarity.RARE, mage.cards.h.HostageTaker.class));
+        cards.add(new SetCardInfo("Howlpack Alpha", 42866, Rarity.RARE, mage.cards.h.HowlpackAlpha.class));
         cards.add(new SetCardInfo("Huatli, the Sun's Heart", 72241, Rarity.RARE, mage.cards.h.HuatliTheSunsHeart.class));
         cards.add(new SetCardInfo("Hydra Broodmaster", 53850, Rarity.RARE, mage.cards.h.HydraBroodmaster.class));
         cards.add(new SetCardInfo("Hydroblast", 69979, Rarity.COMMON, mage.cards.h.Hydroblast.class));
@@ -578,6 +580,7 @@ public class MagicOnlinePromos extends ExpansionSet {
         cards.add(new SetCardInfo("Infest", 43568, Rarity.UNCOMMON, mage.cards.i.Infest.class, FULL_ART));
         cards.add(new SetCardInfo("Ink-Eyes, Servant of Oni", 32013, Rarity.RARE, mage.cards.i.InkEyesServantOfOni.class));
         cards.add(new SetCardInfo("Inkmoth Nexus", 62999, Rarity.RARE, mage.cards.i.InkmothNexus.class));
+        cards.add(new SetCardInfo("Insidious Mist", 60472, Rarity.RARE, mage.cards.i.InsidiousMist.class));
         cards.add(new SetCardInfo("Intuition", 36046, Rarity.RARE, mage.cards.i.Intuition.class));
         cards.add(new SetCardInfo("Island", 239, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Island", 247, Rarity.LAND, mage.cards.basiclands.Island.class, NON_FULL_USE_VARIOUS));
@@ -689,6 +692,7 @@ public class MagicOnlinePromos extends ExpansionSet {
         cards.add(new SetCardInfo("Lowland Oaf", 62415, Rarity.COMMON, mage.cards.l.LowlandOaf.class));
         cards.add(new SetCardInfo("Loyal Retainers", 47973, Rarity.UNCOMMON, mage.cards.l.LoyalRetainers.class));
         cards.add(new SetCardInfo("Lu Bu, Master-at-Arms", 36130, Rarity.RARE, mage.cards.l.LuBuMasterAtArms.class));
+        cards.add(new SetCardInfo("Ludevic's Abomination", 42874, Rarity.RARE, mage.cards.l.LudevicsAbomination.class));
         cards.add(new SetCardInfo("Ludevic's Test Subject", 42874, Rarity.RARE, mage.cards.l.LudevicsTestSubject.class));
         cards.add(new SetCardInfo("Mad Auntie", 35066, Rarity.RARE, mage.cards.m.MadAuntie.class));
         cards.add(new SetCardInfo("Maelstrom Pulse", 37845, Rarity.RARE, mage.cards.m.MaelstromPulse.class));
@@ -1212,6 +1216,7 @@ public class MagicOnlinePromos extends ExpansionSet {
         cards.add(new SetCardInfo("Tormented Hero", 51934, Rarity.UNCOMMON, mage.cards.t.TormentedHero.class));
         cards.add(new SetCardInfo("Tormented Soul", 41652, Rarity.COMMON, mage.cards.t.TormentedSoul.class));
         cards.add(new SetCardInfo("Tormod's Crypt", 31427, Rarity.UNCOMMON, mage.cards.t.TormodsCrypt.class));
+        cards.add(new SetCardInfo("Tovolar's Magehunter", 43507, Rarity.RARE, mage.cards.t.TovolarsMagehunter.class));
         cards.add(new SetCardInfo("Tradewind Rider", 36048, Rarity.RARE, mage.cards.t.TradewindRider.class));
         cards.add(new SetCardInfo("Transmute Artifact", 65644, Rarity.RARE, mage.cards.t.TransmuteArtifact.class));
         cards.add(new SetCardInfo("Traxos, Scourge of Kroog", 69242, Rarity.RARE, mage.cards.t.TraxosScourgeOfKroog.class));

Mage.Tests/src/test/java/org/mage/test/cards/conditional/twofaced/TwoFacedCardEffectsTest.java

@@ -72,17 +72,24 @@ public class TwoFacedCardEffectsTest extends CardTestPlayerBase {
      */
     @Test
     public void testCopyCantTransform() {
+        // At the beginning of each upkeep, if no spells were cast last turn, transform Mayor of Avabruck.
+        addCard(Zone.HAND, playerA, "Mayor of Avabruck"); // {1}{G}
         addCard(Zone.BATTLEFIELD, playerA, "Forest", 2);
-        addCard(Zone.HAND, playerA, "Mayor of Avabruck");
+        //
+        // You may have Clone enter the battlefield as a copy of any creature on the battlefield.
+        addCard(Zone.HAND, playerB, "Clone"); // {3}{U}
         addCard(Zone.BATTLEFIELD, playerB, "Island", 4);
-        addCard(Zone.HAND, playerB, "Clone");
 
         castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Mayor of Avabruck");
 
         castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Clone");
+        setChoice(playerB, "Yes"); // use copy
+        setChoice(playerB, "Mayor of Avabruck"); // clone target
 
+        setStrictChooseMode(true);
         setStopAt(5, PhaseStep.BEGIN_COMBAT);
         execute();
+        assertAllCommandsUsed();
 
         assertHandCount(playerA, 2);
         assertHandCount(playerB, 2);
@@ -120,14 +127,13 @@ public class TwoFacedCardEffectsTest extends CardTestPlayerBase {
 
     /**
      * Tests that triggered abilities of the frontside do not trigger if the card is transformed
-     * 
      */
     @Test
     public void testTransformedDOesNotTriggerFrontsideAbilities() {
         addCard(Zone.BATTLEFIELD, playerA, "Loyal Cathar");
 
         addCard(Zone.BATTLEFIELD, playerB, "Mountain", 1);
-        addCard(Zone.HAND, playerB, "Lightning Bolt",2);
+        addCard(Zone.HAND, playerB, "Lightning Bolt", 2);
 
         castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerB, "Lightning Bolt", "Loyal Cathar");
         castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Lightning Bolt", "Unhallowed Cathar");

Mage.Verify/src/main/java/mage/verify/mtgjson/MtgJsonCard.java

@@ -32,4 +32,16 @@ public final class MtgJsonCard {
     public String layout;
     public boolean isFullArt;
     public List<String> printings; // set codes with that card
+
+    public String getRealCardName() {
+        // double faces cards must be split in different cards in xmage (so use faceName instead name)
+        // for card searching
+        if ("transform".equals(layout)
+                || "flip".equals(layout)
+                || "adventure".equals(layout)
+                || "meld".equals(layout)) { // TODO: remove or keep after mtgjson's meld bug resolve https://github.com/mtgjson/mtgjson/issues/661
+            return faceName;
+        }
+        return asciiName != null ? asciiName : name;
+    }
 }

Mage.Verify/src/main/java/mage/verify/mtgjson/MtgJsonService.java

@@ -78,7 +78,7 @@ public final class MtgJsonService {
 
         String needName = convertXmageToMtgJsonCardName(name);
         return set.cards.stream()
-                .filter(c -> needName.equals(c.name) || needName.equals(c.asciiName) || needName.equals(c.faceName))
+                .filter(c -> needName.equals(c.getRealCardName()))
                 .collect(Collectors.toList());
     }
 
@@ -146,7 +146,7 @@ public final class MtgJsonService {
         public HashMap<String, ArrayList<MtgJsonCard>> data;
 
         private boolean containsSameNames(ArrayList<MtgJsonCard> list) {
-            Set<String> names = list.stream().map(c -> c.name).collect(Collectors.toSet());
+            Set<String> names = list.stream().map(MtgJsonCard::getRealCardName).collect(Collectors.toSet());
             return names.size() == 1;
         }
 

Mage.Verify/src/test/java/mage/verify/VerifyCardDataTest.java

@@ -547,6 +547,32 @@ public class VerifyCardDataTest {
         }
     }
 
+    @Test
+    public void test_checkMissingSecondSideCardsInSets() {
+        Collection<String> errorsList = new ArrayList<>();
+
+        // CHECK: if card have second side (flip, transform) then it must have all sides in that set
+        for (ExpansionSet set : Sets.getInstance().values()) {
+            for (ExpansionSet.SetCardInfo info : set.getSetCardInfo()) {
+                CardInfo cardInfo = CardRepository.instance.findCardsByClass(info.getCardClass().getCanonicalName()).stream().findFirst().orElse(null);
+                Assert.assertNotNull(cardInfo);
+
+                Card card = cardInfo.getCard();
+                Card secondCard = card.getSecondCardFace();
+                if (secondCard != null) {
+                    if (set.findCardInfoByClass(secondCard.getClass()).isEmpty()) {
+                        errorsList.add("Error: missing second face card from set: " + set.getCode() + " - " + set.getName() + " - main: " + card.getName() + "; second: " + secondCard.getName());
+                    }
+                }
+            }
+        }
+
+        printMessages(errorsList);
+        if (errorsList.size() > 0) {
+            Assert.fail("Found missing second side cards in sets, errors: " + errorsList.size());
+        }
+    }
+
     @Test
     @Ignore // TODO: enable after all missing cards and settings fixes
     public void test_checkWrongCardsDataInSets() {
@@ -571,7 +597,7 @@ public class VerifyCardDataTest {
                 }
 
                 // index for missing cards
-                String code = MtgJsonService.xMageToMtgJsonCodes.getOrDefault(set.getCode(), set.getCode()) + " - " + jsonCard.name + " - " + jsonCard.number;
+                String code = MtgJsonService.xMageToMtgJsonCodes.getOrDefault(set.getCode(), set.getCode()) + " - " + jsonCard.getRealCardName() + " - " + jsonCard.number;
                 foundedJsonCards.add(code);
 
                 // CHECK: must use full art setting
@@ -602,13 +628,13 @@ public class VerifyCardDataTest {
             }
 
             for (MtgJsonCard jsonCard : jsonSet.cards) {
-                String code = jsonSet.code + " - " + jsonCard.name + " - " + jsonCard.number;
+                String code = jsonSet.code + " - " + jsonCard.getRealCardName() + " - " + jsonCard.number;
                 if (!foundedJsonCards.contains(code)) {
-                    if (CardRepository.instance.findCard(jsonCard.name) == null) {
+                    if (CardRepository.instance.findCard(jsonCard.getRealCardName()) == null) {
                         // ignore non-implemented cards
                         continue;
                     }
-                    errorsList.add("Error: missing card from xmage's set: " + jsonSet.code + " - " + jsonCard.name + " - " + jsonCard.number);
+                    errorsList.add("Error: missing card from xmage's set: " + jsonSet.code + " - " + jsonCard.getRealCardName() + " - " + jsonCard.number);
                 }
             }
         }

Mage/src/main/java/mage/cards/CardImpl.java

@@ -10,6 +10,8 @@ import mage.abilities.hint.Hint;
 import mage.abilities.hint.HintUtils;
 import mage.abilities.keyword.FlashbackAbility;
 import mage.abilities.mana.ActivatedManaAbilityImpl;
+import mage.cards.repository.CardInfo;
+import mage.cards.repository.CardRepository;
 import mage.cards.repository.PluginClassloaderRegistery;
 import mage.constants.*;
 import mage.counters.Counter;
@@ -683,6 +685,7 @@ public abstract class CardImpl extends MageObjectImpl implements Card {
 
     @Override
     public final Card getSecondCardFace() {
+        // init second side card on first call
         if (secondSideCardClazz == null && secondSideCard == null) {
             return null;
         }
@@ -691,14 +694,12 @@ public abstract class CardImpl extends MageObjectImpl implements Card {
             return secondSideCard;
         }
 
-        List<ExpansionSet.SetCardInfo> cardInfo = Sets.findSet(expansionSetCode).findCardInfoByClass(secondSideCardClazz);
+        // must be non strict search in any sets, not one set
-        if (cardInfo.isEmpty()) {
+        // example: if set contains only one card side, e.g. dev forget to add it
-            return null;
+        // verify test checks missing side cards in test_checkMissingSecondSideCardsInSets
-        }
+        CardInfo cardInfo = CardRepository.instance.findPreferedCoreExpansionCardByClassName(secondSideCardClazz.getCanonicalName(), expansionSetCode);
-
+        secondSideCard = cardInfo.getCard();
-        ExpansionSet.SetCardInfo info = cardInfo.get(0);
+        return secondSideCard;
-        return secondSideCard = createCard(secondSideCardClazz,
-                new CardSetInfo(info.getName(), expansionSetCode, info.getCardNumber(), info.getRarity(), info.getGraphicInfo()));
     }
 
     @Override

Mage/src/main/java/mage/cards/repository/CardRepository.java

@@ -406,14 +406,21 @@ public enum CardRepository {
     }
 
     public CardInfo findPreferedCoreExpansionCard(String name, boolean caseInsensitive, String preferedSetCode) {
-
         List<CardInfo> cards;
         if (caseInsensitive) {
             cards = findCardsCaseInsensitive(name);
         } else {
             cards = findCards(name);
         }
+        return findPreferedOrLatestCard(cards, preferedSetCode);
+    }
 
+    public CardInfo findPreferedCoreExpansionCardByClassName(String canonicalClassName, String preferedSetCode) {
+        List<CardInfo> cards = findCardsByClass(canonicalClassName);
+        return findPreferedOrLatestCard(cards, preferedSetCode);
+    }
+
+    private CardInfo findPreferedOrLatestCard(List<CardInfo> cards, String preferedSetCode) {
         if (!cards.isEmpty()) {
             Date lastReleaseDate = null;
             Date lastExpansionDate = null;
@@ -469,6 +476,16 @@ public enum CardRepository {
         return Collections.emptyList();
     }
 
+    public List<CardInfo> findCardsByClass(String canonicalClassName) {
+        try {
+            QueryBuilder<CardInfo, Object> queryBuilder = cardDao.queryBuilder();
+            queryBuilder.where().eq("className", new SelectArg(canonicalClassName));
+            return cardDao.query(queryBuilder.prepare());
+        } catch (SQLException ex) {
+        }
+        return Collections.emptyList();
+    }
+
     public List<CardInfo> findCardsCaseInsensitive(String name) {
         try {
             String sqlName = name.toLowerCase(Locale.ENGLISH).replaceAll("'", "''");