How to use

mage.abilities.common.TapLandForManaAllTriggeredAbility

constructor

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

public StormCauldron(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ARTIFACT},"{5}");
  // Each player may play an additional land during each of their turns.
  this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new PlayAdditionalLandsAllEffect()));
  // Whenever a land is tapped for mana, return it to its owner's hand.
  Effect effect = new ReturnToHandTargetEffect();
  effect.setText("return it to its owner's hand");
  this.addAbility(new TapLandForManaAllTriggeredAbility(effect, false, true));
}