public override object Evaluate(List <string> args, ExpressionEvaluator evaluator, Creature player, Target target, CastedSpell spell, RollResults dice = null)
{
ExpectingArguments(args, 1);
string trailingEffects = evaluator.Evaluate <string>(args[0]);
player.AddTrailingEffects(trailingEffects);
return(null);
}