Is Keskit, the Flesh Sculptor legal in Standard, Modern, and Commander?

Keskit, the Flesh Sculptor is legal in: Legacy, Vintage, Commander.

Keskit, the Flesh Sculptor

Q: What type of card is Keskit, the Flesh Sculptor?

Keskit, the Flesh Sculptor is a Legendary Creature — Phyrexian Human Artificer. Its oracle text reads: "{T}, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard. Partner (You can have two commanders if both have partner.)"

Legendary Creature — Phyrexian Human Artificer

, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard.