Is Argent Sphinx legal in Standard, Modern, and Commander?

Argent Sphinx is legal in: Modern, Legacy, Vintage, Commander.

Argent Sphinx

Q: What type of card is Argent Sphinx?

Argent Sphinx is a Creature — Sphinx. Its oracle text reads: "Flying Metalcraft — {U}: Exile this creature. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts."

Creature — Sphinx

Flying

Metalcraft — : Exile this creature. Return it to the battlefield under your control at the beginning of the next end step. Activate only if you control three or more artifacts.

Set Modern Masters 2015

Rarity Rare

Mana Value 4

Artist Chris Rahn

Collector # 41

Scryfall Gatherer