Is Slimefoot and Squee legal in Standard, Modern, and Commander?

Slimefoot and Squee is legal in: Legacy, Vintage, Commander, Historic.

What type of card is Slimefoot and Squee?

Slimefoot and Squee is a Legendary Creature — Fungus Goblin. Its oracle text reads: "Whenever Slimefoot and Squee enters or attacks, create a 1/1 green Saproling creature token. {1}{B}{R}{G}, Sacrifice a Saproling: Return this card and up to one other target creature card from your graveyard to the battlefield. Activate only as a sorcery."

Slimefoot and Squee

Legendary Creature — Fungus Goblin

Whenever Slimefoot and Squee enters or attacks, create a 1/1 green Saproling creature token.

, Sacrifice a Saproling: Return this card and up to one other target creature card from your graveyard to the battlefield. Activate only as a sorcery.