Is Vantress Gargoyle legal in Standard, Modern, and Commander?

Vantress Gargoyle is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Vantress Gargoyle

Q: What type of card is Vantress Gargoyle?

Vantress Gargoyle is an Artifact Creature — Gargoyle. Its oracle text reads: "Flying This creature can't attack unless defending player has seven or more cards in their graveyard. This creature can't block unless you have four or more cards in hand. {T}: Each player mills a card."