this.toughness = new MageInt(1);
// {tap}: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate this ability only during your turn, before attackers are declared.
Ability ability = new ActivateIfConditionActivatedAbility(Zone.BATTLEFIELD, new DiaochanArtfulBeautyDestroyEffect(), new TapSourceCost(), MyTurnBeforeAttackersDeclaredCondition.getInstance());
ability.addTarget(new TargetCreaturePermanent());
ability.addTarget(new TargetOpponentsChoicePermanent(new FilterCreaturePermanent()));
this.addAbility(ability);
}