Is Hallowed Respite legal in Standard, Modern, and Commander?

Hallowed Respite is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Hallowed Respite

Q: What type of card is Hallowed Respite?

Hallowed Respite is a Sorcery. Its oracle text reads: "Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it. Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)"

Sorcery

Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)