TORONTO — The streaking Knicks are taking their luck to Sin City.

Behind an efficient masterclass from Jalen Brunson, the Knicks pummeled the Raptors in Tuesday night’s NBA Cup quarterfinal, 117-101, advancing to Saturday’s semifinal in Las Vegas against the Orlando Magic.

Brunson, who thrives in the single-game elimination environment (check out his two NCAA titles with ’Nova), scored 35 points on 13-of-19 shooting, dissecting Toronto’s porous defense while getting off smooth and swishing jumpers.

He was 6-of-9 from deep, and the Knicks (17-7), winners of four straight and eight of their last nine, cruised to the final buzzer, never allowing the lead to reach single-digits in the second half.

Brunson was joined in offensive efficiency by his Villanova buddy, Josh Hart, who dropped in

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