Is Soul Partition legal in Standard, Modern, and Commander?

Soul Partition is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Soul Partition

Q: What type of card is Soul Partition?

Soul Partition is an Instant. Its oracle text reads: "Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs {2} more to cast. *Teferi's body couldn't travel through time far enough, but with Kaya's help, his spirit could.*"

Instant

Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs more to cast.