Is Honorable Scout legal in Standard, Modern, and Commander?

Honorable Scout is legal in: Legacy, Vintage, Commander, Pauper.

Honorable Scout

Q: What type of card is Honorable Scout?

Honorable Scout is a Creature — Human Soldier Scout. Its oracle text reads: "When this creature enters, you gain 2 life for each black and/or red creature target opponent controls. *"I've faced your kind before. This time I'm ready for you."* Power/Toughness: 1/1"