Is Clone legal in Standard, Modern, and Commander?

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

What type of card is Clone?

Clone is a Creature — Shapeshifter. Its oracle text reads: "You may have Clone enter as a copy of any creature on the battlefield."

Creature — Shapeshifter

You may have Clone enter as a copy of any creature on the battlefield.

Set Limited Edition Alpha

Rarity Uncommon

Artist Julie Baroh

Creature Modern Pioneer Commander