How to use

ManifestEffect

in

mage.abilities.effects.keyword

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

public ManifestEffect(int amount) {
  super(Outcome.PutCreatureInPlay);
  this.amount = amount;
  this.staticText = setText();
}

  @Override
  public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    if (controller != null) {
      Card card = controller.getLibrary().getFromTop(game);
      if (card != null) {
        new ManifestEffect(1).apply(game, source);
        Effect effect = new AddCountersTargetEffect(CounterType.P1P1.createInstance());
        effect.setTargetPointer(new FixedTarget(card.getId()));
        return effect.apply(game, source);
      }
      return true;
    }
    return false;
  }
}

  @Override
  public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    if (controller != null) {
      Card card = controller.getLibrary().getFromTop(game);
      if (card != null) {
        new ManifestEffect(1).apply(game, source);
        Permanent permanent = game.getPermanent(card.getId());
        if (permanent != null) {
          Effect effect = new AddCountersTargetEffect(CounterType.P1P1.createInstance(2));
          effect.setTargetPointer(new FixedTarget(permanent.getId()));
          return effect.apply(game, source);
        }
      }
      return true;
    }
    return false;
  }
}

  @Override
  public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    if (controller != null) {
      Card card = controller.getLibrary().getFromTop(game);
      if (card != null) {
        new ManifestEffect(1).apply(game, source);
        int xValue = source.getManaCostsToPay().getX();
        if (xValue > 0) {
          Effect effect = new AddCountersTargetEffect(CounterType.P1P1.createInstance(xValue));
          effect.setTargetPointer(new FixedTarget(card.getId()));
          return effect.apply(game, source);
        }
      }
      return true;
    }
    return false;
  }
}

public SoulSummons(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{1}{W}");
  // Manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up at any time for its mana cost if it's a creature card.)
  this.getSpellAbility().addEffect(new ManifestEffect(1));
}

  @Override
  public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    Permanent enchantment = game.getPermanent(source.getSourceId());
    if (controller != null && enchantment != null) {
      // manifest top card
      Card card = controller.getLibrary().getFromTop(game);
      if (card != null) {
        new ManifestEffect(1).apply(game, source);
        Permanent enchantedCreature = game.getPermanent(card.getId());
        if (enchantedCreature != null) {
          enchantedCreature.addAttachment(enchantment.getId(), game);
          FilterCreaturePermanent filter = new FilterCreaturePermanent();
          Target target = new TargetCreaturePermanent(filter);
          target.addTarget(enchantedCreature.getId(), source, game);
          game.addEffect(new BecomesAuraSourceEffect(target), source);
        }
      }
      return true;
    }
    return false;
  }
}

public EtherealAmbush(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.INSTANT},"{3}{G}{U}");
  // Manifest the top two cards of your library.
  this.getSpellAbility().addEffect(new ManifestEffect(2));
}

  controller.getLibrary().putOnTop(cardToManifest, game);
new ManifestEffect(1).apply(game, source);
if (controller.getLibrary().hasCards()) {
  Card cardToPutBack = controller.getLibrary().getFromTop(game);

public ArashinWarBeast(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{5}{G}{G}");
  this.subtype.add(SubType.BEAST);
  this.power = new MageInt(6);
  this.toughness = new MageInt(6);
  // Whenever Arashin War Beast deals combat damage to one or more blockers, manifest the top card of your library.
  this.addAbility(new ArashinWarBeastTriggeredAbility(new ManifestEffect(1), false));
}

public SultaiEmissary(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{1}{B}");
  this.subtype.add(SubType.ZOMBIE);
  this.subtype.add(SubType.WARRIOR);
  this.power = new MageInt(1);
  this.toughness = new MageInt(1);
  // When Sultai Emissary dies, manifest the top card of your library.
  this.addAbility(new DiesTriggeredAbility(new ManifestEffect(1)));
}

public WhisperwoodElemental(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{G}{G}");
  this.subtype.add(SubType.ELEMENTAL);
  this.power = new MageInt(4);
  this.toughness = new MageInt(4);
  // At the beginning of your end step, manifest the top card of your library.
  this.addAbility(new BeginningOfEndStepTriggeredAbility(new ManifestEffect(1), TargetController.YOU, false));
  
  // Sacrifice Whisperwood Elemental: Until end of turn, face-up, nontoken creatures you control gain "When this creature dies, manifest the top card of your library."
  Ability abilityToGain = new DiesTriggeredAbility(new ManifestEffect(1));
  Effect effect = new GainAbilityControlledEffect(abilityToGain, Duration.EndOfTurn, filter);
  effect.setText("Until end of turn, face-up, nontoken creatures you control gain \"When this creature dies, manifest the top card of your library.\"");
  this.addAbility(new SimpleActivatedAbility(
      Zone.ALL, effect, new SacrificeSourceCost()));
}

public PrimordialMist(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{4}{U}");
  // At the beginning of your end step, you may manifest the top card of your library.
  this.addAbility(new BeginningOfEndStepTriggeredAbility(new ManifestEffect(1), TargetController.YOU, true));
  // Exile a face-down permanent you control face-up: You may play that card this turn
  TargetPermanent target = new TargetPermanent(filter);
  target.setNotTarget(true);
  Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD,
      new PrimordialMistCastFromExileEffect(),
      new PrimordialMistCost(target));
  this.addAbility(ability);
}

public TemurWarShaman(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{4}{G}{G}");
  this.subtype.add(SubType.HUMAN);
  this.subtype.add(SubType.SHAMAN);
  this.power = new MageInt(4);
  this.toughness = new MageInt(5);
  // When Temur War Shaman enters the battlefield, manifest the top card of your library.
  this.addAbility(new EntersBattlefieldTriggeredAbility(new ManifestEffect(1), false));
  // Whenever a permanent you control is turned face up, if it is a creature, you may have it fight target creature you don't control.
  Ability ability = new TemurWarShamanTriggeredAbility();
  ability.addTarget(new TargetCreaturePermanent(filter));
  this.addAbility(ability);
}

public QarsiHighPriest(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{B}");
  this.subtype.add(SubType.HUMAN);
  this.subtype.add(SubType.CLERIC);
  this.power = new MageInt(0);
  this.toughness = new MageInt(2);
  // {1}{B}, {t}, Sacrifice another creature: Manifest the top card of your library.
  Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new ManifestEffect(1), new ManaCostsImpl("{1}{B}"));
  ability.addCost(new TapSourceCost());
  ability.addCost(new SacrificeTargetCost(new TargetControlledCreaturePermanent(1, 1, StaticFilters.FILTER_CONTROLLED_ANOTHER_CREATURE, false)));
  this.addAbility(ability);
}

public MasteryOfTheUnseen(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{W}");
  // Whenever a permanent you control is turned face up, you gain 1 life for each creature you control.
  this.addAbility(new TurnedFaceUpAllTriggeredAbility(
      new GainLifeEffect(new PermanentsOnBattlefieldCount(new FilterControlledCreaturePermanent())), 
      new FilterControlledPermanent("a permanent you control")));
  
  // {3}{W}: Manifest the top card of your library.
  this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new ManifestEffect(1), new ManaCostsImpl("{3}{W}")));
}