How to use

getTargetPointer

method

in

mage.abilities.effects.common.PutCardFromHandOntoBattlefieldEffect

@Override
public boolean apply(Game game, Ability source) {
  Player player;
  if (useTargetController) {
    player = game.getPlayer(getTargetPointer().getFirst(game, source));
  } else {
    player = game.getPlayer(source.getControllerId());
  }
  if (player == null) {
    return false;
  }
  if (player.chooseUse(Outcome.PutCardInPlay, "Put " + filter.getMessage() + " from your hand onto the battlefield?", source, game)) {
    TargetCardInHand target = new TargetCardInHand(filter);
    if (player.choose(Outcome.PutCardInPlay, target, source.getSourceId(), game)) {
      Card card = game.getCard(target.getFirstTarget());
      if (card != null) {
        return player.moveCards(card, Zone.BATTLEFIELD, source, game, tapped, false, false, null);
      }
    }
  }
  return false;
}