Is Glacial Stalker legal in Standard, Modern, and Commander?

Glacial Stalker is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Glacial Stalker

Q: What type of card is Glacial Stalker?

Glacial Stalker is a Creature — Elemental. Its oracle text reads: "Morph {4}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) *"Have you spent a winter high in the mountains, where the ice walks and speaks to the wind? It is not a place for those who have not learned respect." —Ulnok, Temur shaman* Power/Toughness: 4/5"

Creature — Elemental

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

*"Have you spent a winter high in the mountains, where the ice walks and speaks to the wind? It is not a place for those who have not learned respect."

—Ulnok, Temur shaman*

Power/Toughness: 4/5

Set Khans of Tarkir

Rarity Common

Mana Value 6

Artist Daarken

Collector # 41

Scryfall