private String getOptionalTextSuffix(Game game, Spell spell) {
StringBuilder sb = new StringBuilder();
for (Ability ability : spell.getAbilities()) {
if (ability instanceof OptionalAdditionalSourceCosts) {
sb.append(((OptionalAdditionalSourceCosts) ability).getCastMessageSuffix());
}
if (ability instanceof AlternativeSourceCosts
&& ((AlternativeSourceCosts) ability).isActivated(this, game)) {
sb.append(((AlternativeSourceCosts) ability).getCastMessageSuffix(game));
}
}
return sb.toString();
}
