Is Ashling, the Limitless legal in Standard, Modern, and Commander?

Ashling, the Limitless is legal in: Legacy, Vintage, Commander, Historic.

Ashling, the Limitless

Q: What type of card is Ashling, the Limitless?

Ashling, the Limitless is a Legendary Creature — Elemental Sorcerer. Its oracle text reads: "Elemental permanent spells you cast from your hand gain evoke {4} as you cast them. (If you cast a spell for its evoke cost, it's sacrificed when it enters.) Whenever you sacrifice a nontoken Elemental, create a token that's a copy of it. The token gains haste until end of turn. At the beginning of your next end step, sacrifice it unless you pay {W}{U}{B}{R}{G}."

Legendary Creature — Elemental Sorcerer

Elemental permanent spells you cast from your hand gain evoke as you cast them. (If you cast a spell for its evoke cost, it's sacrificed when it enters.)

Whenever you sacrifice a nontoken Elemental, create a token that's a copy of it. The token gains haste until end of turn. At the beginning of your next end step, sacrifice it unless you pay .