Is Disempower legal in Standard, Modern, and Commander?

Disempower is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Disempower?

Disempower is an Instant. Its oracle text reads: "Put target artifact or enchantment on top of its owner's library."

Instant

Put target artifact or enchantment on top of its owner's library.

Set Mirage

Rarity Common

Artist John Matson

Instant Commander Pauper Legacy