This can be stated in active form. Alternate translation: "God opened the tombs and raised the bodies of many godly people who had died" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Here to raise is an idiom for causing someone who has died to become alive again. This can be translated in active form. Alternate translation: "God put life back into to the dead bodies of many godly people who had fallen asleep" (See: [[rc://en/ta/man/translate/figs-idiom]])