Is Flamewright legal in Standard, Modern, and Commander?

Flamewright is legal in: Legacy, Vintage, Commander.

What type of card is Flamewright?

Flamewright is a Creature — Human Artificer. Its oracle text reads: "{1}, {T}: Create a 1/1 colorless Construct artifact creature token with defender. {T}, Sacrifice a creature with defender: This creature deals 1 damage to any target. *Those who can't conspire, create.* Power/Toughness: 1/1"