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

Shivan Hellkite is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Shivan Hellkite?

Shivan Hellkite is a Creature — Dragon. Its oracle text reads: "Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{R}: This creature deals 1 damage to any target. *A dragon's scale can be carved into a mighty shield, provided you can procure a dragontooth to cut it.* Power/Toughness: 5/5"