Is Territorial Hellkite legal in Standard, Modern, and Commander?

Territorial Hellkite is legal in: Legacy, Vintage, Commander.

Territorial Hellkite

Q: What type of card is Territorial Hellkite?

Territorial Hellkite is a Creature — Dragon. Its oracle text reads: "Flying, haste At the beginning of combat on your turn, choose an opponent at random that this creature didn't attack during your last combat. This creature attacks that player this combat if able. If you can't choose an opponent this way, tap this creature. Power/Toughness: 6/5"

Creature — Dragon

Flying, haste

At the beginning of combat on your turn, choose an opponent at random that this creature didn't attack during your last combat. This creature attacks that player this combat if able. If you can't choose an opponent this way, tap this creature.

Power/Toughness: 6/5

Set Tarkir: Dragonstorm Commander

Rarity Rare

Mana Value 4

Artist Jonas De Ro

Collector # 240

Scryfall