this.toughness = new MageInt(2);
this.addAbility(FlyingAbility.getInstance());
// When Mist Raven enters the battlefield, return target creature to its owner's hand.
Ability ability = new EntersBattlefieldTriggeredAbility(new ReturnToHandTargetEffect());
ability.addTarget(new TargetCreaturePermanent());
this.addAbility(ability);
}