Is Frightshroud Courier legal in Standard, Modern, and Commander?

Frightshroud Courier is legal in: Legacy, Vintage, Commander.

What type of card is Frightshroud Courier?

Frightshroud Courier is a Creature — Zombie. Its oracle text reads: "You may choose not to untap this creature during your untap step. {2}{B}, {T}: Target Zombie creature gets +2/+2 and has fear for as long as this creature remains tapped. (It can't be blocked except by artifact creatures and/or black creatures.) Power/Toughness: 2/1"

Frightshroud Courier

Creature — Zombie

You may choose not to untap this creature during your untap step.

, : Target Zombie creature gets +2/+2 and has fear for as long as this creature remains tapped. (It can't be blocked except by artifact creatures and/or black creatures.)