this.color.setWhite(true);
// Untap all creatures you control. They gain flying and double strike until end of turn.
FilterCreaturePermanent filter = new FilterCreaturePermanent("creatures");
this.getSpellAbility().addEffect(new UntapAllControllerEffect(filter));
Effect effect = new GainAbilityControlledEffect(FlyingAbility.getInstance(), Duration.EndOfTurn, filter);
effect.setText("They gain flying");
this.getSpellAbility().addEffect(effect);
effect = new GainAbilityControlledEffect(DoubleStrikeAbility.getInstance(), Duration.EndOfTurn, filter);
effect.setText("and double strike until end of turn");
this.getSpellAbility().addEffect(effect);
}