Is Flesh Duplicate legal in Standard, Modern, and Commander?

Flesh Duplicate is legal in: Legacy, Vintage, Commander.

Flesh Duplicate

Q: What type of card is Flesh Duplicate?

Flesh Duplicate is a Creature — Shapeshifter Rebel. Its oracle text reads: "You may have this creature enter as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (A permanent with vanishing 3 enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Power/Toughness: 0/0"

Creature — Shapeshifter Rebel

You may have this creature enter as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (A permanent with vanishing 3 enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Power/Toughness: 0/0

Set Doctor Who

Rarity Rare

Mana Value 2

Artist Kekai Kotaki

Collector # 44

Scryfall