You open 1♦ (natural or quasi-natural) with (54) in the m, and your partner bids 1NT denying 4M. So you know your side has 16+ m cards and conversely, your opponents have 16+ M cards. Assuming you don't have enough to try for game, is it more likely for them to balance if you pass 1NT or if you rebid 2 of one of the m's (whichever m is your style).
Benefits include:
Plus... it's free!