Is Boon of Safety legal in Standard, Modern, and Commander?

Boon of Safety is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Boon of Safety

Q: What type of card is Boon of Safety?

Boon of Safety is an Instant. Its oracle text reads: "Put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Scry 1. *"Saving a stranger's life is an excellent recruitment method. Luckily, peril is so easy to come by." —Falco Spara*"