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

Opportunistic Dragon is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Opportunistic Dragon

Q: What type of card is Opportunistic Dragon?

Opportunistic Dragon is a Creature — Dragon. Its oracle text reads: "Flying When this creature enters, choose target Human or artifact an opponent controls. For as long as this creature remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block. Power/Toughness: 4/3"

Creature — Dragon

Flying

When this creature enters, choose target Human or artifact an opponent controls. For as long as this creature remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block.

Power/Toughness: 4/3

Set Tarkir: Dragonstorm Commander

Rarity Rare

Mana Value 4

Artist Chris Rahn

Collector # 228

Scryfall