[TLA] Implement How to Start a Riot

Mage.Sets/src/mage/cards/h/HowToStartARiot.java

@@ -0,0 +1,84 @@
+package mage.cards.h;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.BoostAllEffect;
+import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
+import mage.abilities.keyword.MenaceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.permanent.ControllerIdPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+import mage.target.common.TargetCreaturePermanent;
+import mage.target.targetpointer.SecondTargetPointer;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class HowToStartARiot extends CardImpl {
+
+    public HowToStartARiot(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{2}{R}");
+
+        this.subtype.add(SubType.LESSON);
+
+        // Target creature gains menace until end of turn.
+        this.getSpellAbility().addEffect(new GainAbilityTargetEffect(new MenaceAbility(false)));
+        this.getSpellAbility().addTarget(new TargetCreaturePermanent());
+
+        // Creatures target player controls get +2/+0 until end of turn.
+        this.getSpellAbility().addEffect(new HowToStartARiotEffect());
+        this.getSpellAbility().addTarget(new TargetPlayer());
+    }
+
+    private HowToStartARiot(final HowToStartARiot card) {
+        super(card);
+    }
+
+    @Override
+    public HowToStartARiot copy() {
+        return new HowToStartARiot(this);
+    }
+}
+
+class HowToStartARiotEffect extends OneShotEffect {
+
+    HowToStartARiotEffect() {
+        super(Outcome.Benefit);
+        this.setTargetPointer(new SecondTargetPointer());
+        staticText = "creatures target player controls get +2/+0 until end of turn";
+        this.concatBy("<br>");
+    }
+
+    private HowToStartARiotEffect(final HowToStartARiotEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public HowToStartARiotEffect copy() {
+        return new HowToStartARiotEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(getTargetPointer().getFirst(game, source));
+        if (player == null) {
+            return false;
+        }
+        FilterCreaturePermanent filter = new FilterCreaturePermanent();
+        filter.add(new ControllerIdPredicate(player.getId()));
+        game.addEffect(new BoostAllEffect(
+                2, 0, Duration.EndOfTurn, filter, false
+        ), source);
+        return true;
+    }
+}

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

@@ -71,6 +71,7 @@ public final class AvatarTheLastAirbender extends ExpansionSet {
         cards.add(new SetCardInfo("Heartless Act", 103, Rarity.UNCOMMON, mage.cards.h.HeartlessAct.class));
         cards.add(new SetCardInfo("Hei Bai, Spirit of Balance", 225, Rarity.UNCOMMON, mage.cards.h.HeiBaiSpiritOfBalance.class));
         cards.add(new SetCardInfo("Hog-Monkey", 104, Rarity.COMMON, mage.cards.h.HogMonkey.class));
+        cards.add(new SetCardInfo("How to Start a Riot", 140, Rarity.COMMON, mage.cards.h.HowToStartARiot.class));
         cards.add(new SetCardInfo("Iguana Parrot", 56, Rarity.COMMON, mage.cards.i.IguanaParrot.class));
         cards.add(new SetCardInfo("Island", 288, Rarity.LAND, mage.cards.basiclands.Island.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("It'll Quench Ya!", 58, Rarity.COMMON, mage.cards.i.ItllQuenchYa.class));