Is Thought Courier legal in Standard, Modern, and Commander?

Thought Courier is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Thought Courier

Q: What type of card is Thought Courier?

Thought Courier is a Creature — Human Wizard. Its oracle text reads: "{T}: Draw a card, then discard a card. *"There's an assortment to satisfy all your needs: deep, fleeting, dirty, pure, scientific, philosophical, after, and even fore. For a price."* Power/Toughness: 1/1"