Is Orcish Oriflamme legal in Standard, Modern, and Commander?

Orcish Oriflamme is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Orcish Oriflamme?

Orcish Oriflamme is an Enchantment. Its oracle text reads: "Attacking creatures you control get +1/+0."

Enchantment

Attacking creatures you control get +1/+0.

Set Limited Edition Alpha

Rarity Uncommon

Artist Dan Frazier

Enchantment Commander Pauper Legacy