Implemented and test Ugin's Construct. TODO: refactor both construct's and Protean Hydra's prevention abilities to a generic ability

Mage.Sets/src/mage/cards/u/UginsConjurant.java

@@ -0,0 +1,97 @@
+package mage.cards.u;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.constants.SubType;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.effects.common.EntersBattlefieldWithXCountersEffect;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.counters.CounterType;
+import mage.abilities.Ability;
+import mage.abilities.effects.PreventionEffectImpl;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.game.permanent.Permanent;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+
+/**
+ *
+ * @author antoni-g
+ */
+public final class UginsConjurant extends CardImpl {
+
+    public UginsConjurant(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{X}");
+        
+        this.subtype.add(SubType.SPIRIT);
+        this.subtype.add(SubType.MONK);
+        this.power = new MageInt(0);
+        this.toughness = new MageInt(0);
+
+        // Ugin’s Conjurant enters the battlefield with X +1/+1 counters on it.
+        this.addAbility(new EntersBattlefieldAbility(new EntersBattlefieldWithXCountersEffect(CounterType.P1P1.createInstance())));
+        // If damage would be dealt to Ugin’s Conjurant while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from Ugin’s Conjurant.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new UginsConjurantPrevention()));
+    }
+
+    private UginsConjurant(final UginsConjurant card) {
+        super(card);
+    }
+
+    @Override
+    public UginsConjurant copy() {
+        return new UginsConjurant(this);
+    }
+
+    static class UginsConjurantPrevention extends PreventionEffectImpl {
+
+        public UginsConjurantPrevention() {
+            super(Duration.WhileOnBattlefield, Integer.MAX_VALUE, false, false);
+            staticText = "If damage would be dealt to {this}, prevent that damage and remove that many +1/+1 counters from it";
+        }
+
+        public UginsConjurantPrevention(final UginsConjurantPrevention effect) {
+            super(effect);
+        }
+
+        @Override
+        public UginsConjurantPrevention copy() {
+            return new UginsConjurantPrevention(this);
+        }
+
+        @Override
+        public boolean apply(Game game, Ability source) {
+            return true;
+        }
+
+        @Override
+        public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+            int damage = event.getAmount();
+            preventDamageAction(event, source, game);
+            Permanent permanent = game.getPermanent(source.getSourceId());
+            if (permanent != null) {
+                permanent.removeCounters(CounterType.P1P1.createInstance(damage), game); //MTG ruling Protean Hydra loses counters even if the damage isn't prevented
+            }
+            return false;
+        }
+
+        @Override
+        public boolean applies(GameEvent event, Ability source, Game game) {
+            if (super.applies(event, source, game)) {
+                if (event.getTargetId().equals(source.getSourceId())) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+    }
+}

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

@@ -239,6 +239,7 @@ public final class WarOfTheSpark extends ExpansionSet {
         cards.add(new SetCardInfo("Topple the Statue", 35, Rarity.COMMON, mage.cards.t.ToppleTheStatue.class));
         cards.add(new SetCardInfo("Totally Lost", 74, Rarity.COMMON, mage.cards.t.TotallyLost.class));
         cards.add(new SetCardInfo("Turret Ogre", 148, Rarity.COMMON, mage.cards.t.TurretOgre.class));
+        cards.add(new SetCardInfo("Ugin's Conjurant", 3, Rarity.UNCOMMON, mage.cards.u.UginsConjurant.class));
         cards.add(new SetCardInfo("Vivien's Arkbow", 181, Rarity.RARE, mage.cards.v.ViviensArkbow.class));
         cards.add(new SetCardInfo("Vivien's Grizzly", 182, Rarity.COMMON, mage.cards.v.ViviensGrizzly.class));
         cards.add(new SetCardInfo("Vivien, Champion of the Wilds", 180, Rarity.RARE, mage.cards.v.VivienChampionOfTheWilds.class));

Utils/mtg-cards-data.txt

@@ -34852,6 +34852,7 @@ The Haunt of Hightower|Ravnica Allegiance|273|M|{4}{B}{B}|Legendary Creature - V
 Serra the Benevolent|Modern Horizons|26|M|{2}{W}{W}|Legendary Planeswalker - Serra|4|+2: Creatures you control with flying get +1/+1 until end of turn.$-3: Create a 4/4 white Angel creature token with flying and vigilance.$-6: You get an emblem with "If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead."|
 Cabal Therapist|Modern Horizons|80|R|{B}|Creature - Horror|1|1|Menace$At the beginning of your precombat main phase, you may sacrifice a creature. When you do, choose a nonland card name, then target player reveals their hand and discards all cards with that name.|
 Karn, the Great Creator|War of the Spark|1|R|{4}|Legendary Planeswalker - Karn|5|Activated abilities of artifacts your opponents control can't be activated.$+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost.$-2: You may choose an artifact card you own from outside the game or in exile, reveal that card, and put it into your hand.|
+Ugin's Conjurant|War of the Spark|3|U|{X}|Creature - Spirit Monk|0|0|Ugin’s Conjurant enters the battlefield with X +1/+1 counters on it.$If damage would be dealt to Ugin’s Conjurant while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from Ugin’s Conjurant.|
 Ajani's Pridemate|War of the Spark|4|U|{1}{W}|Creature - Cat Soldier|2|2|Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.|
 Bond of Discipline|War of the Spark|6|U|{4}{W}|Sorcery|||Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.|
 Bulwark Giant|War of the Spark|7|C|{5}{W}|Creature - Giant Soldier|3|6|When Bulwark Giant enters the battlefield, you gain 5 life.|