public struct CostModifier
{
    public readonly string PublicId;
    public readonly string ResourceId;
    public readonly int Percent;
    public readonly int EndTurn;

    public CostModifier(string id, string resourceId, int size, int endTurn) {
        PublicId = id;
        ResourceId = resourceId;
        Percent = size;
        EndTurn = endTurn;
    }
}
