Is Shadow Kin legal in Standard, Modern, and Commander?

Shadow Kin is legal in: Legacy, Vintage, Commander.

Shadow Kin

Q: What type of card is Shadow Kin?

Shadow Kin is a Creature — Shapeshifter. Its oracle text reads: "Flash At the beginning of your upkeep, each player mills three cards. You may exile a creature card from among the cards milled this way. If you do, this creature becomes a copy of that card, except it has this ability."

Creature — Shapeshifter

Flash

At the beginning of your upkeep, each player mills three cards. You may exile a creature card from among the cards milled this way. If you do, this creature becomes a copy of that card, except it has this ability.

Set Midnight Hunt Commander

Rarity Rare

Mana Value 4

Artist Irvin Rodriguez

Collector # 16

Scryfall Gatherer