this.subtype.add("Knight");
this.color.setBlue(true);
this.power = new MageInt(4);
this.toughness = new MageInt(4);
this.addAbility(FlyingAbility.getInstance());
Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DestroyTargetEffect(), new ManaCostsImpl("{1}{W}{B}"));
ability.addCost(new TapSourceCost());
ability.addTarget(new TargetControlledPermanent(filter));
this.addAbility(ability);
this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new UntapSourceEffect(), new ManaCostsImpl("{2}{U}")));
}