Implemented Isolated Watchtower

Mage.Sets/src/mage/cards/i/IsolatedWatchtower.java

@@ -0,0 +1,118 @@
+package mage.cards.i;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.costs.mana.GenericManaCost;
+import mage.abilities.decorator.ConditionalActivatedAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.mana.ColorlessManaAbility;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.CardsImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+
+/**
+ *
+ * @author TheElk801
+ */
+public final class IsolatedWatchtower extends CardImpl {
+
+    public IsolatedWatchtower(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+
+        // {T}: Add {C}.
+        this.addAbility(new ColorlessManaAbility());
+
+        // {2}, {T}: Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate this ability only if an opponent controls at least two more lands than you.
+        Ability ability = new ConditionalActivatedAbility(
+                Zone.BATTLEFIELD,
+                new IsolatedWatchtowerEffect(),
+                new GenericManaCost(2),
+                new IsolatedWatchtowerCondition()
+        );
+        ability.addCost(new TapSourceCost());
+        this.addAbility(ability);
+    }
+
+    public IsolatedWatchtower(final IsolatedWatchtower card) {
+        super(card);
+    }
+
+    @Override
+    public IsolatedWatchtower copy() {
+        return new IsolatedWatchtower(this);
+    }
+}
+
+class IsolatedWatchtowerEffect extends OneShotEffect {
+
+    public IsolatedWatchtowerEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "scry 1, then you may reveal the top card "
+                + "of your library. If a basic land card is revealed this way, "
+                + "put it onto the battlefield tapped";
+    }
+
+    public IsolatedWatchtowerEffect(final IsolatedWatchtowerEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public IsolatedWatchtowerEffect copy() {
+        return new IsolatedWatchtowerEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        player.scry(1, source, game);
+        if (!player.chooseUse(
+                outcome, "Reveal the top card of your library?", source, game
+        )) {
+            return true;
+        }
+        Card card = player.getLibrary().getFromTop(game);
+        player.revealCards(source, new CardsImpl(card), game);
+        if (card.isBasic() && card.isLand()) {
+            player.moveCards(
+                    card, Zone.BATTLEFIELD, source,
+                    game, true, false, true, null
+            );
+        }
+        return true;
+    }
+}
+
+class IsolatedWatchtowerCondition implements Condition {
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        int numLands = game.getBattlefield().countAll(
+                StaticFilters.FILTER_LAND, source.getControllerId(), game
+        );
+        for (UUID opponentId : game.getOpponents(source.getControllerId())) {
+            if (numLands < 1 + game.getBattlefield().countAll(
+                    StaticFilters.FILTER_LAND, opponentId, game
+            )) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "an opponent controls at least two more lands than you";
+    }
+}

Mage.Sets/src/mage/sets/Commander2018.java

@@ -46,6 +46,7 @@ public final class Commander2018 extends ExpansionSet {
         cards.add(new SetCardInfo("Heavenly Blademaster", 3, Rarity.RARE, mage.cards.h.HeavenlyBlademaster.class));
         cards.add(new SetCardInfo("Herald of the Pantheon", 151, Rarity.RARE, mage.cards.h.HeraldOfThePantheon.class));
         cards.add(new SetCardInfo("Hydra Omnivore", 153, Rarity.MYTHIC, mage.cards.h.HydraOmnivore.class));
+        cards.add(new SetCardInfo("Isolated Watchtower", 59, Rarity.RARE, mage.cards.i.IsolatedWatchtower.class));
         cards.add(new SetCardInfo("Kestia, the Cultivator", 42, Rarity.MYTHIC, mage.cards.k.KestiaTheCultivator.class));
         cards.add(new SetCardInfo("Lord Windgrace", 43, Rarity.MYTHIC, mage.cards.l.LordWindgrace.class));
         cards.add(new SetCardInfo("Loyal Apprentice", 23, Rarity.UNCOMMON, mage.cards.l.LoyalApprentice.class));