Is Clone Shell legal in Standard, Modern, and Commander?

Clone Shell is legal in: Modern, Legacy, Vintage, Commander.

Clone Shell

Q: What type of card is Clone Shell?

Clone Shell is an Artifact Creature — Shapeshifter. Its oracle text reads: "Imprint — When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order. When this creature dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control."

Artifact Creature — Shapeshifter

Imprint — When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When this creature dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Set Double Masters

Rarity Uncommon

Mana Value 5

Artist Volkan Baǵa

Collector # 241

Scryfall Gatherer