Is War-Name Aspirant legal in Standard, Modern, and Commander?

War-Name Aspirant is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

War-Name Aspirant

Q: What type of card is War-Name Aspirant?

War-Name Aspirant is a Creature — Human Warrior. Its oracle text reads: "Raid — This creature enters with a +1/+1 counter on it if you attacked this turn. This creature can't be blocked by creatures with power 1 or less. *No battle means more to a Mardu warrior than the one that earns her war name.* Power/Toughness: 2/1"