Is Quakefoot Cyclops legal in Standard, Modern, and Commander?

Quakefoot Cyclops is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Quakefoot Cyclops

Q: What type of card is Quakefoot Cyclops?

Quakefoot Cyclops is a Creature — Cyclops. Its oracle text reads: "When this creature enters, up to two target creatures can't block this turn. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.) When you cycle this card, target creature can't block this turn."