Is Distinguished Conjurer legal in Standard, Modern, and Commander?

Distinguished Conjurer is legal in: Modern, Legacy, Vintage, Commander, Historic.

What type of card is Distinguished Conjurer?

Distinguished Conjurer is a Creature — Human Wizard. Its oracle text reads: "Whenever another creature you control enters, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control."