this.getSpellAbility().addEffect(new AttachEffect(Outcome.UnboostCreature));
Ability ability = new EnchantAbility(auraTarget.getTargetName());
this.addAbility(ability);
// When Singing Bell Strike enters the battlefield, tap enchanted creature.
this.addAbility(new EntersBattlefieldTriggeredAbility(new TapEnchantedEffect()));
// Enchanted creature doesn't untap during its controller's untap step.
this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new SkipEnchantedUntapEffect()));
// Enchanted creature has "{6}: Untap this creature."
Ability gainedAbility = new SimpleActivatedAbility(Zone.BATTLEFIELD, new UntapSourceEffect(), new GenericManaCost(6));
Effect effect = new GainAbilityAttachedEffect(gainedAbility, AttachmentType.AURA, Duration.WhileOnBattlefield);