Is Spitfire Handler legal in Standard, Modern, and Commander?

Spitfire Handler is legal in: Legacy, Vintage, Commander.

Spitfire Handler

Q: What type of card is Spitfire Handler?

Spitfire Handler is a Creature — Goblin. Its oracle text reads: "This creature can't block creatures with power greater than this creature's power. {R}: This creature gets +1/+0 until end of turn. *"Wait 'til Toggo sees this!"* Power/Toughness: 1/1"