How to use

CantAttackBlockTransformAttachedEffect

in

mage.abilities.effects.common

@Override
public CantAttackBlockTransformAttachedEffect copy() {
  return new CantAttackBlockTransformAttachedEffect(this);
}

public BoundByMoonsilver(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{2}{W}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.Detriment));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Enchanted permanent can't attack, block, or transform.
  Effect effect = new CantAttackBlockTransformAttachedEffect();
  effect.setText("Enchanted permanent can't attack, block, or transform.");
  this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, effect));
  // Sacrifice another permanent: Attach Bound by Moonsilver to target creature. Activate this ability only any time you could cast a sorcery and only once each turn.
  LimitedTimesPerTurnActivatedAbility limitedAbility = new LimitedTimesPerTurnActivatedAbility(Zone.BATTLEFIELD, new AttachEffect(Outcome.Detriment, "Attach {this} to target creature"),
      new SacrificeTargetCost(new TargetControlledPermanent(filter)), 1);
  limitedAbility.setTiming(TimingRule.SORCERY);
  limitedAbility.addTarget(new TargetCreaturePermanent());
  this.addAbility(limitedAbility);
}