Is Fire Nation Cadets legal in Standard, Modern, and Commander?

Fire Nation Cadets is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Fire Nation Cadets

Q: What type of card is Fire Nation Cadets?

Fire Nation Cadets is a Creature — Human Soldier. Its oracle text reads: "This creature has firebending 2 as long as there's a Lesson card in your graveyard. (Whenever this creature attacks, add {R}{R}. This mana lasts until end of combat.) {2}: This creature gets +1/+0 until end of turn."

Creature — Human Soldier

This creature has firebending 2 as long as there's a Lesson card in your graveyard. (Whenever this creature attacks, add . This mana lasts until end of combat.)

: This creature gets +1/+0 until end of turn.