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

Ethersworn Sphinx is legal in: Modern, Legacy, Vintage, Commander.

Ethersworn Sphinx

Q: What type of card is Ethersworn Sphinx?

Ethersworn Sphinx is an Artifact Creature — Sphinx. Its oracle text reads: "Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)"

Artifact Creature — Sphinx

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Set Modern Horizons 2

Rarity Uncommon

Mana Value 9

Artist Irina Nordsol

Collector # 195

Scryfall Gatherer