/**
* Champion one or more creature types or if the subtype array is empty champion every creature.
*
* @param card
* @param subtypes subtypes to champion with, if empty all creatures can be used
* @param requiresCreature for cards that specifically require championing another creature
*/
public ChampionAbility(Card card, String[] subtypes, boolean requiresCreature) {
super(Zone.BATTLEFIELD, null);
this.subtypes = subtypes;
StringBuilder sb = new StringBuilder("another ");
ArrayList<Predicate<MageObject>> subtypesPredicates = new ArrayList<>();
if (!subtypes[0].isEmpty()) {
int i = 0;
for (String subtype : this.subtypes) {
subtypesPredicates.add(new SubtypePredicate(subtype));
if (i == 0) {
sb.append(subtype);
} else {
sb.append(" or ").append(subtype);
}
i++;
}
} else {
sb.append("creature");
}
this.objectDescription = sb.toString();
FilterControlledPermanent filter = new FilterControlledPermanent(objectDescription);
if (!subtypesPredicates.isEmpty()) {
filter.add(Predicates.or(subtypesPredicates));
}
if (requiresCreature) {
filter.add(new CardTypePredicate(CardType.CREATURE));
}
filter.add(new AnotherPredicate());
// When this permanent enters the battlefield, sacrifice it unless you exile another [object]
// you control.
Ability ability1 =
new EntersBattlefieldTriggeredAbility(
new SacrificeSourceUnlessPaysEffect(
new ChampionExileCost(
filter,
new StringBuilder(card.getName()).append(" championed permanents").toString())),
false);
ability1.setRuleVisible(false);
addSubAbility(ability1);
// When this permanent leaves the battlefield, return the exiled card to the battlefield under
// its owner's control.
Ability ability2 =
new LeavesBattlefieldTriggeredAbility(
new ReturnFromExileForSourceEffect(Zone.BATTLEFIELD), false);
ability2.setRuleVisible(false);
addSubAbility(ability2);
}
static {
filter.add(new SubtypePredicate("Demon"));
}
static {
filterCard.add(new SubtypePredicate("Myr"));
filterMyr.add(new SubtypePredicate("Myr"));
}
static {
filter.add(new SubtypePredicate("Goblin"));
}
static {
filter.add(
Predicates.or(new CardTypePredicate(CardType.CREATURE), new SubtypePredicate("Aura")));
}
static {
filter.add(Predicates.not(new TappedPredicate()));
filter.add(new SubtypePredicate("Elf"));
}
static {
filterSacrificed.add(new CardTypePredicate(CardType.ARTIFACT));
filterTargetedCreatures.add(Predicates.not(new AbilityPredicate(FlyingAbility.class)));
}
static {
filter.add(new ControllerPredicate(TargetController.YOU));
filter.add(Predicates.not(new TokenPredicate()));
filterClue.add(new SubtypePredicate("Clue"));
}
static {
filter.add(new ColorPredicate(ObjectColor.GREEN));
}
static {
filterElemental.add(new SubtypePredicate("Elemental"));
filterGiant.add(new SubtypePredicate("Giant"));
}
static {
filter.add(new SubtypePredicate("Swamp"));
}
static {
filter.add(new SubtypePredicate("Island"));
filter.add(new CardTypePredicate(CardType.LAND));
}
static {
filter.add(new SubtypePredicate("Forest"));
}
static {
flyingCreatureFilter.add(new AbilityPredicate(FlyingAbility.class));
controlledElvesFilter.add(new SubtypePredicate("Elf"));
}
static {
filter.add(new AnotherPredicate());
}
static {
filter.add(new CardTypePredicate(CardType.LAND));
filter.add(new SubtypePredicate("Swamp"));
}
static {
filter.add(new SubtypePredicate("Mountain"));
filter2.add(new SubtypePredicate("Forest"));
}
public ChampionExileCost(FilterControlledPermanent filter, String exileZone) {
this.addTarget(new TargetControlledPermanent(1, 1, filter, true));
this.text = "exile " + filter.getMessage() + " you control";
this.exileZone = exileZone;
}
static {
filter.add(new CardTypePredicate(CardType.ARTIFACT));
}
static {
filter.add(Predicates.not(new TokenPredicate()));
filter.add(new AnotherPredicate());
filter2.add(new SubtypePredicate("Rat"));
}