Is Kor Aeronaut legal in Standard, Modern, and Commander?

Kor Aeronaut is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Kor Aeronaut?

Kor Aeronaut is a Creature — Kor Soldier. Its oracle text reads: "Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) Flying When this creature enters, if it was kicked, target creature gains flying until end of turn. Power/Toughness: 2/2"