The proposed bill would edit the Basic Law - the Government to state that Deri could not be tried for theft, corruption or tax offenses.
The coalition will likely first focus on changing the makeup of the judicial appointments committee and limiting the High Court of Justice's power to strike down laws, according to a report.
Former justice minister Gideon Sa'ar rejected the change, saying that "there is no fundamental change in MK Rothman's 'new' proposal.
Such a plan to solve the judicial crisis seizes the moral high ground by creating a system that is not only just but simple and stable.
Committee chairman Simcha Rothman introduced an analysis that compared judicial review in other countries.
The accompanying text that explains the law argues that the appointment and removal of ministers are at the "heart of democratic activity."
Gantz's proposal came after Justice Minister Yariv Levin announced his plan for legal reform on Wednesday evening.