At his right hand was, etc.; better, into his right hand came, etc.; sc. the arrow marked for Jerusalem was that which came into the king's hand as the quiver was shaken. To appoint captains; better, battering rams, in both clauses.
The same Hebrew word is used in both (see note on Ezekiel 4:2). The verse paints the engineering operations of the besiegers, following on the issue of the divination. (For the mount, comp. Isaiah 37:33.