Is Strefan, Maurer Progenitor legal in Standard, Modern, and Commander?

Strefan, Maurer Progenitor is legal in: Legacy, Vintage, Commander.

Strefan, Maurer Progenitor

Q: What type of card is Strefan, Maurer Progenitor?

Strefan, Maurer Progenitor is a Legendary Creature — Vampire Noble. Its oracle text reads: "Flying At the beginning of your end step, create a Blood token for each player who lost life this turn. Whenever Strefan attacks, you may sacrifice two Blood tokens. If you do, you may put a Vampire card from your hand onto the battlefield tapped and attacking. It gains indestructible until end of turn. Power/Toughness: 3/2"

Legendary Creature — Vampire Noble

Flying

At the beginning of your end step, create a Blood token for each player who lost life this turn.

Whenever Strefan attacks, you may sacrifice two Blood tokens. If you do, you may put a Vampire card from your hand onto the battlefield tapped and attacking. It gains indestructible until end of turn.

Power/Toughness: 3/2

Set Crimson Vow Commander

Rarity Mythic Rare

Mana Value 4

Artist Chris Rallis

Collector # 2

Scryfall