Is Fowl Strike legal in Standard, Modern, and Commander?

Fowl Strike is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

Fowl Strike

Q: What type of card is Fowl Strike?

Fowl Strike is an Instant. Its oracle text reads: "Destroy target creature with flying. Reinforce 2—{2}{G} ({2}{G}, Discard this card: Put two +1/+1 counters on target creature.) *With a resounding wallop, the ancient battle between buzzard and druid was finally finished.*"