(a) The writ of seizure shall be substantially in the form provided by Rule 1354.(b) The plaintiff’s bond shall be in double the value of the property averred in the complaint with security approved by the prothonotary, naming the Commonwealth as obligee, conditioned that if the plaintiff fails to maintain the right to possession of the property the plaintiff shall pay to the party entitled thereto the value of the property and all legal costs, fees and damages sustained by reason of the issuance of the writ.