Before issuing any such warrant, the officer to whom application therefor is made shall require the person applying to enter into an undertaking, with sufficient surety, to the effect that he will pay to the person whose crops are to be attached or seized such costs as may be awarded to him should the warrant be set aside and all damages that he may sustain in consequence of the issuing of such warrant, if it should be decided by any court of competent jurisdiction that it had been illegally or improvidently issued, not exceeding the sum specified in the undertaking, which shall be at least two hundred and fifty dollars except in case of a warrant issued by a magistrate when it shall be at least twenty-five dollars.