Is Geth, Thane of Contracts legal in Standard, Modern, and Commander?

Geth, Thane of Contracts is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Geth, Thane of Contracts

Q: What type of card is Geth, Thane of Contracts?

Geth, Thane of Contracts is a Legendary Creature — Phyrexian Zombie. Its oracle text reads: "Other creatures you control get -1/-1. {1}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else." Activate only as a sorcery."

Legendary Creature — Phyrexian Zombie

Other creatures you control get -1/-1.

, : Return target creature card from your graveyard to the battlefield. It gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else." Activate only as a sorcery.