Is Shaman of the Pack legal in Standard, Modern, and Commander?

Shaman of the Pack is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Shaman of the Pack

Q: What type of card is Shaman of the Pack?

Shaman of the Pack is a Creature — Elf Shaman. Its oracle text reads: "When this creature enters, target opponent loses life equal to the number of Elves you control. *To the elves, her spear is a compass; to the boggarts, a harbinger of doom.* Power/Toughness: 3/2"