Is Giant Growth legal in Standard, Modern, and Commander?

Giant Growth is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Giant Growth?

Giant Growth is an Instant. Its oracle text reads: "Target creature gets +3/+3 until end of turn."

Instant

Target creature gets +3/+3 until end of turn.

Set Limited Edition Alpha

Rarity Common

Artist Sandra Everingham

Instant Standard Modern Pioneer