Is Felisa, Fang of Silverquill legal in Standard, Modern, and Commander?

Felisa, Fang of Silverquill is legal in: Legacy, Vintage, Commander.

Felisa, Fang of Silverquill

Q: What type of card is Felisa, Fang of Silverquill?

Felisa, Fang of Silverquill is a Legendary Creature — Vampire Wizard. Its oracle text reads: "Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it. Power/Toughness: 3/2"

Legendary Creature — Vampire Wizard

Flying

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it.

Power/Toughness: 3/2

Set Commander Legends: Battle for Baldur's Gate

Rarity Mythic Rare

Mana Value 4

Artist Sara Winters

Collector # 845

Scryfall