[FIN] Implement The Wandering Minstrel

Mage/src/main/java/mage/abilities/effects/common/EnterUntappedAllEffect.java

@@ -0,0 +1,52 @@
+package mage.abilities.effects.common;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.filter.FilterPermanent;
+import mage.game.Game;
+import mage.game.events.EntersTheBattlefieldEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+
+public class EnterUntappedAllEffect extends ReplacementEffectImpl {
+
+    private final FilterPermanent filter;
+
+    public EnterUntappedAllEffect(FilterPermanent filter) {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        this.filter = filter;
+        staticText = filter.getMessage() + " enter untapped";
+    }
+
+    private EnterUntappedAllEffect(final EnterUntappedAllEffect effect) {
+        super(effect);
+        this.filter = effect.filter;
+    }
+
+    @Override
+    public EnterUntappedAllEffect copy() {
+        return new EnterUntappedAllEffect(this);
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Permanent target = ((EntersTheBattlefieldEvent) event).getTarget();
+        if (target != null) {
+            target.setTapped(false);
+        }
+        return false;
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        Permanent targetObject = ((EntersTheBattlefieldEvent) event).getTarget();
+        return targetObject != null && filter.match(targetObject, source.getControllerId(), source, game);
+    }
+}