Is Warrior en-Kor legal in Standard, Modern, and Commander?

Warrior en-Kor is legal in: Legacy, Vintage, Commander.

Warrior en-Kor

Q: What type of card is Warrior en-Kor?

Warrior en-Kor is a Creature — Kor Warrior Knight. Its oracle text reads: "{0}: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead. *Only a matter as vital as destroying Volrath could bring together the reclusive kor people.* Power/Toughness: 2/2"