Is Oceanus Dragon legal in Standard, Modern, and Commander?

Oceanus Dragon is legal in: Legacy, Vintage, Commander, Pauper.

Oceanus Dragon

Q: What type of card is Oceanus Dragon?

Oceanus Dragon is a Creature — Dragon. Its oracle text reads: "Flying When this creature enters, tap target creature an opponent controls. Goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)"

Creature — Dragon

Flying

When this creature enters, tap target creature an opponent controls. Goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Set Commander Legends: Battle for Baldur's Gate

Rarity Common

Mana Value 6

Artist Kari Christensen

Collector # 87

Scryfall Gatherer