Is Yennett, Cryptic Sovereign legal in Standard, Modern, and Commander?

Yennett, Cryptic Sovereign is legal in: Legacy, Vintage, Commander.

Yennett, Cryptic Sovereign

Q: What type of card is Yennett, Cryptic Sovereign?

Yennett, Cryptic Sovereign is a Legendary Creature — Sphinx. Its oracle text reads: "Flying, vigilance, menace Whenever Yennett attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card. *She talks using riddles her disciples alone can unravel.* Power/Toughness: 3/5"

Legendary Creature — Sphinx

Flying, vigilance, menace

Whenever Yennett attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card.

*She talks using riddles her disciples alone can unravel.*

Power/Toughness: 3/5

Set Commander Masters

Rarity Rare

Mana Value 5

Artist Chris Rahn

Collector # 363

Scryfall