Is Flaring Flame-Kin legal in Standard, Modern, and Commander?

Flaring Flame-Kin is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Flaring Flame-Kin?

Flaring Flame-Kin is a Creature — Elemental Warrior. Its oracle text reads: "As long as this creature is enchanted, it gets +2/+2, has trample, and has "{R}: This creature gets +1/+0 until end of turn." *A flame-kin is always formidable, but feeding its fire with a sorcerous gift grants it the power to devastate armies.* Power/Toughness: 2/2"