@Override
public PaymentDecision visit(CostGainControl cost) {
if (cost.payCostFromSource()) return PaymentDecision.card(source);
Integer c = cost.convertAmount();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
final List<Card> typeList =
CardLists.getValidCards(
player.getGame().getCardsIn(ZoneType.Battlefield),
cost.getType().split(";"),
player,
source);
if (typeList.size() < c) {
return null;
}
CardLists.sortByPowerAsc(typeList);
final List<Card> res = new ArrayList<Card>();
for (int i = 0; i < c; i++) {
res.add(typeList.get(i));
}
return res.isEmpty() ? null : PaymentDecision.card(res);
}
@Override
public PaymentDecision visit(CostExiledMoveToGrave cost) {
Integer c = cost.convertAmount();
List<Card> chosen = new ArrayList<Card>();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<Card> typeList = player.getGame().getCardsIn(ZoneType.Exile);
typeList = CardLists.getValidCards(typeList, cost.getType().split(";"), player, source);
if (typeList.size() < c) {
return null;
}
CardLists.sortByPowerAsc(typeList);
Collections.reverse(typeList);
for (int i = 0; i < c; i++) {
chosen.add(typeList.get(i));
}
return chosen.isEmpty() ? null : PaymentDecision.card(chosen);
}