Rashi on Deuteronomy 18:12/רש"י על דברים י״ח:י״ב

1כל אלה עשה [FOR] ALL THAT DO THESE THINGS [ARE AN ABOMINATION UNTO THE LORD] — it does not say, “he who does all these things”, but “all who do these things” — who do even only one of them (Sifrei Devarim 173:1; cf. Makkot 24a).