[BLB] Implement Star Charter

Mage.Sets/src/mage/cards/s/StarCharter.java

@@ -0,0 +1,56 @@
+package mage.cards.s;
+
+import mage.MageInt;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.condition.common.YouGainedOrLostLifeCondition;
+import mage.abilities.effects.common.LookLibraryAndPickControllerEffect;
+import mage.abilities.keyword.FlyingAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterCreatureCard;
+import mage.filter.predicate.mageobject.PowerPredicate;
+import mage.watchers.common.PlayerGainedLifeWatcher;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class StarCharter extends CardImpl {
+
+    private static final FilterCard filter = new FilterCreatureCard("a creature card with power 3 or less");
+
+    static {
+        filter.add(new PowerPredicate(ComparisonType.FEWER_THAN, 4));
+    }
+
+    public StarCharter(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{3}{W}");
+
+        this.subtype.add(SubType.BAT);
+        this.subtype.add(SubType.CLERIC);
+        this.power = new MageInt(3);
+        this.toughness = new MageInt(1);
+
+        // Flying
+        this.addAbility(FlyingAbility.getInstance());
+
+        // At the beginning of your end step, if you gained or lost life this turn, look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
+        this.addAbility(new BeginningOfEndStepTriggeredAbility(
+                new LookLibraryAndPickControllerEffect(
+                        4, 1, filter, PutCards.HAND, PutCards.BOTTOM_RANDOM
+                ), TargetController.YOU, YouGainedOrLostLifeCondition.instance, false
+        ), new PlayerGainedLifeWatcher());
+    }
+
+    private StarCharter(final StarCharter card) {
+        super(card);
+    }
+
+    @Override
+    public StarCharter copy() {
+        return new StarCharter(this);
+    }
+}

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

@@ -140,6 +140,7 @@ public final class Bloomburrow extends ExpansionSet {
         cards.add(new SetCardInfo("Shrike Force", 31, Rarity.UNCOMMON, mage.cards.s.ShrikeForce.class));
         cards.add(new SetCardInfo("Sinister Monolith", 113, Rarity.UNCOMMON, mage.cards.s.SinisterMonolith.class));
         cards.add(new SetCardInfo("Splash Lasher", 73, Rarity.UNCOMMON, mage.cards.s.SplashLasher.class));
+        cards.add(new SetCardInfo("Star Charter", 33, Rarity.UNCOMMON, mage.cards.s.StarCharter.class));
         cards.add(new SetCardInfo("Stargaze", 114, Rarity.UNCOMMON, mage.cards.s.Stargaze.class));
         cards.add(new SetCardInfo("Starscape Cleric", 116, Rarity.UNCOMMON, mage.cards.s.StarscapeCleric.class));
         cards.add(new SetCardInfo("Starseer Mentor", 233, Rarity.UNCOMMON, mage.cards.s.StarseerMentor.class));

Mage/src/main/java/mage/abilities/condition/common/YouGainedOrLostLifeCondition.java

@@ -0,0 +1,33 @@
+package mage.abilities.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.game.Game;
+import mage.watchers.common.PlayerGainedLifeWatcher;
+import mage.watchers.common.PlayerLostLifeWatcher;
+
+/**
+ * Needs PlayerGainedLifeWatcher to work
+ *
+ * @author TheElk801
+ */
+public enum YouGainedOrLostLifeCondition implements Condition {
+    instance;
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return game
+                .getState()
+                .getWatcher(PlayerGainedLifeWatcher.class)
+                .getLifeGained(source.getControllerId()) > 0
+                || game
+                .getState()
+                .getWatcher(PlayerLostLifeWatcher.class)
+                .getLifeLost(source.getControllerId()) > 0;
+    }
+
+    @Override
+    public String toString() {
+        return "you gained or lost life this turn";
+    }
+}