Implemented Tectonic Hellion

Mage.Sets/src/mage/cards/t/TectonicHellion.java

@@ -0,0 +1,93 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.AttacksTriggeredAbility;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.SacrificeEffect;
+import mage.abilities.keyword.HasteAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.target.targetpointer.FixedTarget;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class TectonicHellion extends CardImpl {
+
+    public TectonicHellion(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{5}{R}{R}");
+
+        this.subtype.add(SubType.HELLION);
+        this.power = new MageInt(8);
+        this.toughness = new MageInt(5);
+
+        // Haste
+        this.addAbility(HasteAbility.getInstance());
+
+        // Whenever Tectonic Hellion attacks, each player who controls the most lands sacrifices two lands.
+        this.addAbility(new AttacksTriggeredAbility(new TectonicHellionEffect(), false));
+    }
+
+    private TectonicHellion(final TectonicHellion card) {
+        super(card);
+    }
+
+    @Override
+    public TectonicHellion copy() {
+        return new TectonicHellion(this);
+    }
+}
+
+class TectonicHellionEffect extends OneShotEffect {
+
+    TectonicHellionEffect() {
+        super(Outcome.Benefit);
+        staticText = "each player who controls the most lands sacrifices two lands";
+    }
+
+    private TectonicHellionEffect(final TectonicHellionEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public TectonicHellionEffect copy() {
+        return new TectonicHellionEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Map<UUID, Integer> landMap = new HashMap<>();
+        game.getState()
+                .getPlayersInRange(source.getControllerId(), game)
+                .stream()
+                .map(uuid -> landMap.put(uuid, game.getBattlefield().getActivePermanents(
+                        StaticFilters.FILTER_LAND, uuid, source.getSourceId(), game
+                ).size()));
+        int max = landMap
+                .values()
+                .stream()
+                .max(Math::max)
+                .get();
+        Effect effect = new SacrificeEffect(StaticFilters.FILTER_LANDS, 2, "");
+        game.getState()
+                .getPlayersInRange(source.getControllerId(), game)
+                .stream()
+                .filter(uuid -> landMap.getOrDefault(uuid, 0) == max)
+                .forEachOrdered(uuid -> {
+                    effect.setTargetPointer(new FixedTarget(uuid, game));
+                    effect.apply(game, source);
+                });
+        return true;
+    }
+}

Mage.Sets/src/mage/sets/Commander2019Edition.java

@@ -166,6 +166,7 @@ public final class Commander2019Edition extends ExpansionSet {
         cards.add(new SetCardInfo("Swamp", 294, Rarity.LAND, mage.cards.basiclands.Swamp.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Swiftwater Cliffs", 279, Rarity.COMMON, mage.cards.s.SwiftwaterCliffs.class));
         cards.add(new SetCardInfo("Talrand, Sky Summoner", 97, Rarity.RARE, mage.cards.t.TalrandSkySummoner.class));
+        cards.add(new SetCardInfo("Tectonic Hellion", 29, Rarity.RARE, mage.cards.t.TectonicHellion.class));
         cards.add(new SetCardInfo("Temple of the False God", 280, Rarity.UNCOMMON, mage.cards.t.TempleOfTheFalseGod.class));
         cards.add(new SetCardInfo("Tempt with Discovery", 183, Rarity.RARE, mage.cards.t.TemptWithDiscovery.class));
         cards.add(new SetCardInfo("Terramorphic Expanse", 281, Rarity.COMMON, mage.cards.t.TerramorphicExpanse.class));