Is Nethergoyf legal in Standard, Modern, and Commander?

Nethergoyf is legal in: Modern, Legacy, Vintage, Commander, Historic.

What type of card is Nethergoyf?

Nethergoyf is a Creature — Lhurgoyf. Its oracle text reads: "Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1. Escape—{2}{B}, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.) Power/Toughness: */1+*"

Nethergoyf

Creature — Lhurgoyf

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1.

Escape—, Exile any number of other cards from your graveyard with four or more card types among them. (You may cast this card from your graveyard for its escape cost.)