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

Preemptive Strike is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Preemptive Strike?

Preemptive Strike is an Instant. Its oracle text reads: "Counter target creature spell."

Instant

Counter target creature spell.

Set Portal Three Kingdoms

Rarity Common

Mana Value 2

Artist Jiaming

Collector # 50

Scryfall

Instant Counterspell Commander Pauper Legacy