Is Vithian Stinger legal in Standard, Modern, and Commander?

Vithian Stinger is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Vithian Stinger

Q: What type of card is Vithian Stinger?

Vithian Stinger is a Creature — Human Shaman. Its oracle text reads: "{T}: This creature deals 1 damage to any target. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) Power/Toughness: 0/1"

Creature — Human Shaman

: This creature deals 1 damage to any target.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)