[ONE] Implement Mirran Safehouse

Mage.Sets/src/mage/cards/m/MirranSafehouse.java

@@ -0,0 +1,85 @@
+package mage.cards.m;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import mage.abilities.Ability;
+import mage.abilities.ActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+/**
+ * @author TheElk801
+ */
+public final class MirranSafehouse extends CardImpl {
+
+    public MirranSafehouse(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT}, "{3}");
+
+        // As long as Mirran Safehouse is on the battlefield, it has all activated abilites of all land cards in all graveyards.
+        this.addAbility(new SimpleStaticAbility(new MirranSafehouseEffect()));
+    }
+
+    private MirranSafehouse(final MirranSafehouse card) {
+        super(card);
+    }
+
+    @Override
+    public MirranSafehouse copy() {
+        return new MirranSafehouse(this);
+    }
+}
+
+class MirranSafehouseEffect extends ContinuousEffectImpl {
+
+    MirranSafehouseEffect() {
+        super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
+        staticText = "As long as {this} is on the battlefield, "
+                + "it has all activated abilities of all land cards in all graveyards";
+        this.dependendToTypes.add(DependencyType.AddingAbility); // Yixlid Jailer
+    }
+
+    private MirranSafehouseEffect(final MirranSafehouseEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (permanent == null) {
+            return false;
+        }
+        Set<Ability> abilities = game
+                .getState()
+                .getPlayersInRange(source.getControllerId(), game)
+                .stream()
+                .map(game::getPlayer)
+                .filter(Objects::nonNull)
+                .map(Player::getGraveyard)
+                .map(graveyard -> graveyard.getCards(StaticFilters.FILTER_CARD_LAND, game))
+                .flatMap(Collection::stream)
+                .map(card -> card.getAbilities(game))
+                .flatMap(Collection::stream)
+                .filter(ActivatedAbility.class::isInstance)
+                .collect(Collectors.toSet());
+        for (Ability ability : abilities) {
+            permanent.addAbility(ability, source.getSourceId(), game);
+        }
+        return true;
+    }
+
+    @Override
+    public MirranSafehouseEffect copy() {
+        return new MirranSafehouseEffect(this);
+    }
+}

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

@@ -45,6 +45,7 @@ public final class PhyrexiaAllWillBeOne extends ExpansionSet {
         cards.add(new SetCardInfo("Migloz, Maze Crusher", 210, Rarity.RARE, mage.cards.m.MiglozMazeCrusher.class));
         cards.add(new SetCardInfo("Mindsplice Apparatus", 63, Rarity.RARE, mage.cards.m.MindspliceApparatus.class));
         cards.add(new SetCardInfo("Minor Misstep", 64, Rarity.UNCOMMON, mage.cards.m.MinorMisstep.class));
+        cards.add(new SetCardInfo("Mirran Safehouse", 232, Rarity.RARE, mage.cards.m.MirranSafehouse.class));
         cards.add(new SetCardInfo("Mirrex", 254, Rarity.RARE, mage.cards.m.Mirrex.class));
         cards.add(new SetCardInfo("Mondrak, Glory Dominus", 23, Rarity.MYTHIC, mage.cards.m.MondrakGloryDominus.class));
         cards.add(new SetCardInfo("Monument to Perfection", 233, Rarity.RARE, mage.cards.m.MonumentToPerfection.class));