Is Mortivore legal in Standard, Modern, and Commander?

Mortivore is legal in: Modern, Legacy, Vintage, Commander.

Mortivore

Q: What type of card is Mortivore?

Mortivore is a Creature — Lhurgoyf. Its oracle text reads: "Mortivore's power and toughness are each equal to the number of creature cards in all graveyards. {B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.) *The light sigh of its breath whistles through its bones.* Power/Toughness: */*"

Creature — Lhurgoyf

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.

: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

*The light sigh of its breath whistles through its bones.*

Power/Toughness: */*

Set Commander Anthology Volume II

Rarity Rare

Mana Value 4

Artist Anthony S. Waters

Collector # 69

Scryfall