Is Skoa, Embermage legal in Standard, Modern, and Commander?

Skoa, Embermage is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

Skoa, Embermage

Q: What type of card is Skoa, Embermage?

Skoa, Embermage is a Legendary Creature — Goblin Wizard. Its oracle text reads: "When Skoa enters, it deals 4 damage to any target. Grandeur — Discard another card named Skoa, Embermage, Sacrifice two Mountains: Skoa deals 4 damage to any target. *"I need kindling. You'll do nicely."* Power/Toughness: 4/4"