Is Elenda and Azor legal in Standard, Modern, and Commander?

Elenda and Azor is legal in: Legacy, Vintage, Commander.

Elenda and Azor

Q: What type of card is Elenda and Azor?

Elenda and Azor is a Legendary Creature — Vampire Knight Sphinx. Its oracle text reads: "Flying, ward {2} Whenever Elenda and Azor attacks, you may pay {X}{W}{U}{B}. If you do, draw X cards. At the beginning of each end step, you may pay 4 life. If you do, create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the number of cards you've drawn this turn. Power/Toughness: 6/6"

Legendary Creature — Vampire Knight Sphinx

Flying, ward

Whenever Elenda and Azor attacks, you may pay . If you do, draw X cards.

At the beginning of each end step, you may pay 4 life. If you do, create a number of 1/1 black Vampire Knight creature tokens with lifelink equal to the number of cards you've drawn this turn.

Power/Toughness: 6/6

Set March of the Machine Commander

Rarity Mythic Rare

Mana Value 6

Artist Randy Vargas

Collector # 6

Scryfall