Is Captain Sisay legal in Standard, Modern, and Commander?

Captain Sisay is legal in: Legacy, Vintage, Commander, Historic.

Captain Sisay

Q: What type of card is Captain Sisay?

Captain Sisay is a Legendary Creature — Human Soldier. Its oracle text reads: "{T}: Search your library for a legendary card, reveal that card, put it into your hand, then shuffle. *Her leadership forged the *Weatherlight*'s finest crew.* Power/Toughness: 2/2"