Is Street Spasm legal in Standard, Modern, and Commander?

Street Spasm is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Street Spasm

Q: What type of card is Street Spasm?

Street Spasm is an Instant. Its oracle text reads: "Street Spasm deals X damage to target creature without flying you don't control. Overload {X}{X}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")"