Is Rescuer Sphinx legal in Standard, Modern, and Commander?

Rescuer Sphinx is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Rescuer Sphinx

Q: What type of card is Rescuer Sphinx?

Rescuer Sphinx is a Creature — Sphinx. Its oracle text reads: "Flying As this creature enters, you may return a nonland permanent you control to its owner's hand. If you do, this creature enters with a +1/+1 counter on it."

Creature — Sphinx

Flying

As this creature enters, you may return a nonland permanent you control to its owner's hand. If you do, this creature enters with a +1/+1 counter on it.

Set Ravnica: Clue Edition

Rarity Uncommon

Mana Value 4

Artist Jesper Ejsing

Collector # 95

Scryfall Gatherer