Is Brightfield Glider legal in Standard, Modern, and Commander?

Brightfield Glider is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Brightfield Glider

Q: What type of card is Brightfield Glider?

Brightfield Glider is a Creature — Possum Mount. Its oracle text reads: "Vigilance Whenever this creature attacks while saddled, it gets +1/+2 and gains flying until end of turn. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)"

Creature — Possum Mount

Vigilance

Whenever this creature attacks while saddled, it gets +1/+2 and gains flying until end of turn.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Set Aetherdrift

Rarity Common

Mana Value 1

Artist Andreia Ugrai

Collector # 4

Scryfall Gatherer