this.color.setWhite(true);
this.power = new MageInt(2);
this.toughness = new MageInt(3);
FilterPermanent filter = new FilterPermanent("Kabira Evangel or another Ally");
filter.add(Predicates.or(
new CardIdPredicate(this.getId()),
new SubtypePredicate("Ally")));
// Whenever Kabira Evangel or another Ally enters the battlefield under your control, you may choose a color. If you do, Allies you control gain protection from the chosen color until end of turn.
this.addAbility(new EntersBattlefieldControlledTriggeredAbility(Zone.BATTLEFIELD, new ChooseColorEffect(), filter, true));