London System

A setup-based opening for the white pieces against 95% of what black throws at you usually following this move-order: d4, Nf3, Bf4, e3, c3, h3, Nbd2, 0-0. Everyone in the chess community hates facing the London System because of its boring repetitive nature. Although I recommend playing this as its super-solid and difficult for black to find an advantage out of the opening. I've had 5.5/6 winrate with the London in rated tournaments so I personally highly recommend.

London System on digital board
Image credit: chessworld