Is Alacrian Jaguar legal in Standard, Modern, and Commander?

Alacrian Jaguar is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Alacrian Jaguar

Q: What type of card is Alacrian Jaguar?

Alacrian Jaguar is a Creature — Cat Mount. Its oracle text reads: "Vigilance Whenever this creature attacks while saddled, it gets +2/+2 until end of turn. Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)"

Creature — Cat Mount

Vigilance

Whenever this creature attacks while saddled, it gets +2/+2 until end of turn.

Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Set Aetherdrift

Rarity Common

Mana Value 5

Artist Andrey Kuzinskiy

Collector # 152

Scryfall Gatherer