Is Stirring Address legal in Standard, Modern, and Commander?

Stirring Address is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Stirring Address?

Stirring Address is an Instant. Its oracle text reads: "Target creature you control gets +2/+2 until end of turn. Overload {5}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.") *"For glory! For justice! For our queen!"*"