Days ahead of a Senate floor vote to change the long-standing filibuster rule, Republicans accused Democrats of hypocrisy and warned the move will be met with GOP retribution, even if it doesn’t succeed.

“Voting to break this institution will not be a free vote or a harmless action, even if their effort fails,” Senate Minority Leader Mitch McConnell, a Kentucky Republican, said in a Senate floor speech Tuesday. “An unprincipled attempt at grabbing power is not harmless just because it fails. Voting to break the Senate is not cost-free just because a bipartisan majority of your colleagues have the wisdom to stop you.”