Is Cephalid Facetaker legal in Standard, Modern, and Commander?

Cephalid Facetaker is legal in: Legacy, Vintage, Commander.

Cephalid Facetaker

Q: What type of card is Cephalid Facetaker?

Cephalid Facetaker is a Creature — Octopus Rogue. Its oracle text reads: "This creature can't be blocked. At the beginning of combat on your turn, you may have this creature become a copy of another target creature until end of turn, except it's 1/4 and has "This creature can't be blocked.""

Creature — Octopus Rogue

This creature can't be blocked.

At the beginning of combat on your turn, you may have this creature become a copy of another target creature until end of turn, except it's 1/4 and has "This creature can't be blocked."

Set New Capenna Commander

Rarity Rare

Mana Value 3

Artist Uriah Voth

Collector # 23

Scryfall Gatherer