Is Crackling Spellslinger legal in Standard, Modern, and Commander?

Crackling Spellslinger is legal in: Legacy, Vintage, Commander.

Crackling Spellslinger

Q: What type of card is Crackling Spellslinger?

Crackling Spellslinger is a Creature — Human Wizard. Its oracle text reads: "Flash When this creature enters, if you cast it, the next instant or sorcery spell you cast this turn has storm. (When you cast that spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)"

Creature — Human Wizard

Flash

When this creature enters, if you cast it, the next instant or sorcery spell you cast this turn has storm. (When you cast that spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Set Outlaws of Thunder Junction Commander

Rarity Rare

Mana Value 5

Artist Marta Nael

Collector # 25

Scryfall Gatherer