Is Anticognition legal in Standard, Modern, and Commander?

Anticognition is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Anticognition?

Anticognition is an Instant. Its oracle text reads: "Counter target creature or planeswalker spell unless its controller pays {2}. If an opponent has eight or more cards in their graveyard, instead counter that spell, then scry 2. *"I think not." —Flekon the Mindcensor*"

Anticognition

Instant

Counter target creature or planeswalker spell unless its controller pays . If an opponent has eight or more cards in their graveyard, instead counter that spell, then scry 2.