private Mana getManaTypes(Game game, Ability source) {
List<Permanent> lands =
game.getBattlefield().getActivePermanents(filter, source.getControllerId(), game);
Mana types = new Mana();
for (Permanent land : lands) {
Abilities<ManaAbility> manaAbilities = land.getAbilities().getManaAbilities(Zone.BATTLEFIELD);
for (ManaAbility ability : manaAbilities) {
if (!ability.equals(source) && ability.definesMana()) {
for (Mana netMana : ability.getNetMana(game)) {
types.add(netMana);
if (netMana.getAny() > 0) {
return types;
}
}
}
}
}
return types;
}
