How to use

WishEffect

in

mage.abilities.effects.common

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

@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
  Player controller = game.getPlayer(source.getControllerId());
  if (controller != null) {
    new WishEffect(new FilterCard(), false).apply(game, source);
    this.discard();
    return true;
  }
  return false;
}

public CoaxFromTheBlindEternities(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{2}{U}");
  // You may choose an Eldrazi card you own from outside the game or in exile, reveal that card, and put it into your hand.
  this.getSpellAbility().addEffect(new WishEffect(filter, true, true));
}

public GoldenWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{3}{W}{W}");
  // You may choose an artifact or enchantment card you own from outside the game, reveal that card, and put it into your hand. 
  this.getSpellAbility().addEffect(new WishEffect(filter));
  // Exile Golden Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public GlitteringWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{G}{W}");
  // You may choose a multicolored card you own from outside the game, reveal that card, and put it into your hand. 
  this.getSpellAbility().addEffect(new WishEffect(filter));
  // Exile Glittering Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public CunningWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{2}{U}");
  // You may choose an instant card you own from outside the game, reveal that card, and put it into your hand.
  this.getSpellAbility().addEffect(new WishEffect(filter));
  // Exile Cunning Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public BurningWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{R}");
  // You may choose a sorcery card you own from outside the game, reveal that card, and put it into your hand.
  this.getSpellAbility().addEffect(new WishEffect(filter));
  // Exile Burning Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public LivingWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{G}");
  // You may choose a creature or land card you own from outside the game, reveal that card, and put it into your hand.
  this.getSpellAbility().addEffect(new WishEffect(filter));
  // Exile Living Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public DeathWish(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}");
  // You may choose a card you own from outside the game and put it into your hand. 
  this.getSpellAbility().addEffect(new WishEffect(new FilterCard(), false));
  // You lose half your life, rounded up. 
  this.getSpellAbility().addEffect(new LoseHalfLifeEffect());
  // Exile Death Wish.
  this.getSpellAbility().addEffect(ExileSpellEffect.getInstance());
}

public MastermindsAcquisition(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{2}{B}{B}");
  // Choose one - 
  // Search your library for a card and put that card into your hand. Then shuffle your library.
  this.getSpellAbility().addEffect(new SearchLibraryPutInHandEffect(new TargetCardInLibrary()));
  
  // Choose a card you own from outside the game and put it into your hand.
  Mode mode = new Mode();
  mode.addEffect(new WishEffect(new FilterCard(), false));
  this.getSpellAbility().addMode(mode);
}