How to use

SacrificeSourceTriggeredAbility

in

mage.abilities.common

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

@Override
public boolean checkTrigger(GameEvent event, Game game) {
  if (super.checkTrigger(event, game)) {
    Spell spell = game.getStack().getSpell(event.getSourceId());
    return spell != null && spell.getSpellAbility() instanceof EmergeAbility;
  }
  return false;
}

public OrdealOfHeliod(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{W}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Heliod.
  ability = new AttacksAttachedTriggeredAbility(new AddCountersAttachedEffect(CounterType.P1P1.createInstance(),"it"), AttachmentType.AURA, false);
  ability.addEffect(new ConditionalOneShotEffect(new SacrificeSourceEffect(), new AttachedToCounterCondition(CounterType.P1P1, 3),
      "Then if it has three or more +1/+1 counters on it, sacrifice {this}"));
  this.addAbility(ability);
  // When you sacrifice Ordeal of Heliod, you gain 10 life.
  this.addAbility(new SacrificeSourceTriggeredAbility(new GainLifeEffect(10), false));
}

public OrdealOfThassa(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{U}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa.
  ability = new AttacksAttachedTriggeredAbility(new AddCountersAttachedEffect(CounterType.P1P1.createInstance(),"it"), AttachmentType.AURA, false);
  ability.addEffect(new ConditionalOneShotEffect(new SacrificeSourceEffect(), new AttachedToCounterCondition(CounterType.P1P1, 3),
      "Then if it has three or more +1/+1 counters on it, sacrifice {this}"));
  this.addAbility(ability);
  // When you sacrifice Ordeal of Thassa, draw two cards.
  this.addAbility(new SacrificeSourceTriggeredAbility(new DrawCardSourceControllerEffect(2), false));
}

public OrdealOfErebos(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{B}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Erebos.
  ability = new AttacksAttachedTriggeredAbility(new AddCountersAttachedEffect(CounterType.P1P1.createInstance(),"it"), AttachmentType.AURA, false);
  ability.addEffect(new ConditionalOneShotEffect(new SacrificeSourceEffect(), new AttachedToCounterCondition(CounterType.P1P1, 3),
      "Then if it has three or more +1/+1 counters on it, sacrifice {this}"));
  this.addAbility(ability);
  // When you sacrifice Ordeal of Erebos, target player discards two cards.
  ability = new SacrificeSourceTriggeredAbility(new DiscardTargetEffect(2), false);
  ability.addTarget(new TargetPlayer());
  this.addAbility(ability);
}

public OrdealOfPurphoros(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{R}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Purphoros.
  ability = new AttacksAttachedTriggeredAbility(new AddCountersAttachedEffect(CounterType.P1P1.createInstance(),"it"), AttachmentType.AURA, false);
  ability.addEffect(new ConditionalOneShotEffect(new SacrificeSourceEffect(), new AttachedToCounterCondition(CounterType.P1P1, 3),
      "Then if it has three or more +1/+1 counters on it, sacrifice {this}"));
  this.addAbility(ability);
  // When you sacrifice Ordeal of Purphoros, it deals 3 damage to any target.
  ability = new SacrificeSourceTriggeredAbility(
      new DamageTargetEffect(3, "it"),false);
  ability.addTarget(new TargetAnyTarget());
  this.addAbility(ability);
}

public OrdealOfNylea(UUID ownerId, CardSetInfo setInfo) {
  super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{G}");
  this.subtype.add(SubType.AURA);
  // Enchant creature
  TargetPermanent auraTarget = new TargetCreaturePermanent();
  this.getSpellAbility().addTarget(auraTarget);
  this.getSpellAbility().addEffect(new AttachEffect(Outcome.AddAbility));
  Ability ability = new EnchantAbility(auraTarget.getTargetName());
  this.addAbility(ability);
  // Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Nylea.
  ability = new AttacksAttachedTriggeredAbility(new AddCountersAttachedEffect(CounterType.P1P1.createInstance(),"it"), AttachmentType.AURA, false);
  ability.addEffect(new ConditionalOneShotEffect(new SacrificeSourceEffect(), new AttachedToCounterCondition(CounterType.P1P1, 3),
      "Then if it has three or more +1/+1 counters on it, sacrifice {this}"));
  this.addAbility(ability);
  // When you sacrifice Ordeal of Nylea, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.
  ability = new SacrificeSourceTriggeredAbility(
      new SearchLibraryPutInPlayEffect(new TargetCardInLibrary(0,2, StaticFilters.FILTER_CARD_BASIC_LAND),true, true),false);
  this.addAbility(ability);
}