How to use

PreventAllDamageFromChosenSourceToYouEffect

in

mage.abilities.effects.common

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

@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
  preventDamageAction(event, source, game);
  return false;
}

public PreventAllDamageFromChosenSourceToYouEffect(Duration duration, FilterObject filter, boolean onlyCombat) {
  super(duration, Integer.MAX_VALUE, onlyCombat);
  this.targetSource = new TargetSource(filter);
  this.staticText = setText();
}

public ConsulateSurveillance(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{3}{W}");
  // When Consulate Surveillance enters the battlefield, you get {E}{E}{E}{E}.
  this.addAbility(new EntersBattlefieldTriggeredAbility(new GetEnergyCountersControllerEffect(4)));
  // Pay {E}{E}: Prevent all damage that would be dealt to you this turn by a source of your choice.
  this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD,
      new PreventAllDamageFromChosenSourceToYouEffect(Duration.EndOfTurn, new FilterObject("source"), false),
      new PayEnergyCost(2)));
}