Is Fiend of the Shadows legal in Standard, Modern, and Commander?

Fiend of the Shadows is legal in: Modern, Legacy, Vintage, Commander.

Fiend of the Shadows

Q: What type of card is Fiend of the Shadows?

Fiend of the Shadows is a Creature — Vampire Wizard. Its oracle text reads: "Flying Whenever this creature deals combat damage to a player, that player exiles a card from their hand. You may play that card for as long as it remains exiled. Sacrifice a Human: Regenerate this creature. Power/Toughness: 3/3"

Creature — Vampire Wizard

Flying

Whenever this creature deals combat damage to a player, that player exiles a card from their hand. You may play that card for as long as it remains exiled.

Sacrifice a Human: Regenerate this creature.

Power/Toughness: 3/3

Set Forgotten Realms Commander

Rarity Rare

Mana Value 5

Artist Igor Kieryluk

Collector # 99

Scryfall