Is Contagious Nim legal in Standard, Modern, and Commander?

Contagious Nim is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Contagious Nim

Q: What type of card is Contagious Nim?

Contagious Nim is a Creature — Phyrexian Zombie. Its oracle text reads: "Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) *"This species has grown to be my preferred receptacle for our divine message." —Sheoldred, Whispering One* Power/Toughness: 2/2"