nothing but the best

nothing but the best もイディオムではありませんが、よく耳にするほぼ決まった言い方です。基幹部分は nothing but です。2:19 if you want to see some action, you get nothing but the best. the S and M attraction, we've got the pleasure chest.

02.Queen - Let Me Entertain You HD - Rock Montreal 1981
https://www.youtube.com/watch?v=k_eOYVdg3w0  1:10 I wish you nothing but the best for this upcoming season.
Charlie Sheen's Comedy Central Roast: Former 'Two and a Half Men' Star's Image in Rehab? (09.20.11)
https://www.youtube.com/watch?v=8QzoXJDPXBY  1:42 we wish you nothing but the best.
Woman Who Had Rib Removal Surgery Defends Decision