Is Mox Tantalite legal in Standard, Modern, and Commander?

Mox Tantalite is legal in: Modern, Legacy, Vintage, Commander.

Mox Tantalite

Q: What type of card is Mox Tantalite?

Mox Tantalite is an Artifact. Its oracle text reads: "Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}: Add one mana of any color."

Artifact

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)